Finding the Fourth Proportional to 73,132.26, 109,702.64 and 20,545.84
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Solution
The fourth proportional to 73,132.26, 109,702.64 and 20,545.84 is: 30,819.95
Step by Step Solution
- Step 1: Write the proportion equation
73,132.26 : 109,702.64 = 20,545.84 : x - Step 2: Convert to fraction form
73,132.26/109,702.64 = 20,545.84/x - Step 3: Cross multiply
73,132.26x = 109,702.64 × 20,545.84 - Step 4: Simplify right side
73,132.26x = 2,253,932,889.02 - Step 5: Solve for x
x = 2,253,932,889.02/73,132.26 - Step 6: Final answer
x = 30,819.95
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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.