Finding the Fourth Proportional to 72,524.92, 108,818.58 and 39,268.75
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Solution
The fourth proportional to 72,524.92, 108,818.58 and 39,268.75 is: 58,920.02
Step by Step Solution
- Step 1: Write the proportion equation
72,524.92 : 108,818.58 = 39,268.75 : x - Step 2: Convert to fraction form
72,524.92/108,818.58 = 39,268.75/x - Step 3: Cross multiply
72,524.92x = 108,818.58 × 39,268.75 - Step 4: Simplify right side
72,524.92x = 4,273,169,613.38 - Step 5: Solve for x
x = 4,273,169,613.38/72,524.92 - Step 6: Final answer
x = 58,920.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.