Home / 87,737.14-131,614.93-28,577.42

Finding the Fourth Proportional to 87,737.14, 131,614.93 and 28,577.42

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Solution

The fourth proportional to 87,737.14, 131,614.93 and 28,577.42 is: 42,869.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,737.14 : 131,614.93 = 28,577.42 : x
  2. Step 2: Convert to fraction form
    87,737.14/131,614.93 = 28,577.42/x
  3. Step 3: Cross multiply
    87,737.14x = 131,614.93 × 28,577.42
  4. Step 4: Simplify right side
    87,737.14x = 3,761,215,132.88
  5. Step 5: Solve for x
    x = 3,761,215,132.88/87,737.14
  6. Step 6: Final answer
    x = 42,869.13

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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.