72 is 45% of ______-
45% x=72
45/100 x=72
45x/100=72
45x=7200 /:45
x=160
⇒72 is 45% of 160.
\(\frac{72}{x} = \frac{45}{100}\)^^^^^percent proportion^^^^^^^multiply 72 x 100 = 7200divide 7200 ÷ 45 = 16072 is 45% of 160.
