Home / 87,397.98-131,082.81-28,233.91

Finding the Fourth Proportional to 87,397.98, 131,082.81 and 28,233.91

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Solution

The fourth proportional to 87,397.98, 131,082.81 and 28,233.91 is: 42,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,397.98 : 131,082.81 = 28,233.91 : x
  2. Step 2: Convert to fraction form
    87,397.98/131,082.81 = 28,233.91/x
  3. Step 3: Cross multiply
    87,397.98x = 131,082.81 × 28,233.91
  4. Step 4: Simplify right side
    87,397.98x = 3,700,980,260.09
  5. Step 5: Solve for x
    x = 3,700,980,260.09/87,397.98
  6. Step 6: Final answer
    x = 42,346.29

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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.