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Finding the Fourth Proportional to 87,950, 131,925 and 38,702

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Solution

The fourth proportional to 87,950, 131,925 and 38,702 is: 58,053

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,950 : 131,925 = 38,702 : x
  2. Step 2: Convert to fraction form
    87,950/131,925 = 38,702/x
  3. Step 3: Cross multiply
    87,950x = 131,925 × 38,702
  4. Step 4: Simplify right side
    87,950x = 5,105,761,350
  5. Step 5: Solve for x
    x = 5,105,761,350/87,950
  6. Step 6: Final answer
    x = 58,053

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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.