Finding the Fourth Proportional to 71,508.43, 107,187.81 and 24,107.14
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Solution
The fourth proportional to 71,508.43, 107,187.81 and 24,107.14 is: 36,135.48
Step by Step Solution
- Step 1: Write the proportion equation
71,508.43 : 107,187.81 = 24,107.14 : x - Step 2: Convert to fraction form
71,508.43/107,187.81 = 24,107.14/x - Step 3: Cross multiply
71,508.43x = 107,187.81 × 24,107.14 - Step 4: Simplify right side
71,508.43x = 2,583,991,541.96 - Step 5: Solve for x
x = 2,583,991,541.96/71,508.43 - Step 6: Final answer
x = 36,135.48
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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.