# What percent of 90 is 72?

Answer: 80 percent of 90 is 72

## Fastest method for calculating what percent of 90 is 72

Assume the unknown value is 'Y', and 72 of 90 can be written as:

Y = 72 / 90

By multiplying both numerator and denominator by 100 we will get:

Y = 72 / 90 x 100 / 100 = 80 / 100

Y = 80%

Answer: 80 percent of 90 is 72

If you want to use a calculator, simply enter 72÷90x100 and you will get your answer which is 80

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## Have time and want to learn the details?

Let's solve the equation for Y by first rewriting it as: 100% / 90 = Y% / 72

Drop the percentage marks to simplify your calculations: 100 / 90 = Y / 72

Multiply both sides by 72 to isolate Y on the right side of the equation: 72 ( 100 / 90 ) = Y

Computing the left side, we get: 80 = Y

This leaves us with our final answer: 80 percent of 90 is 72