Finding the Fourth Proportional to 72.63, 108.84 and 32.03
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Solution
The fourth proportional to 72.63, 108.84 and 32.03 is: 48.00
Step by Step Solution
- Step 1: Write the proportion equation
72.63 : 108.84 = 32.03 : x - Step 2: Convert to fraction form
72.63/108.84 = 32.03/x - Step 3: Cross multiply
72.63x = 108.84 × 32.03 - Step 4: Simplify right side
72.63x = 3,486.13 - Step 5: Solve for x
x = 3,486.13/72.63 - Step 6: Final answer
x = 48.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.