Home / 87,935.20-131,901.62-21,375.14

Finding the Fourth Proportional to 87,935.20, 131,901.62 and 21,375.14

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Solution

The fourth proportional to 87,935.20, 131,901.62 and 21,375.14 is: 32,062.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,935.20 : 131,901.62 = 21,375.14 : x
  2. Step 2: Convert to fraction form
    87,935.20/131,901.62 = 21,375.14/x
  3. Step 3: Cross multiply
    87,935.20x = 131,901.62 × 21,375.14
  4. Step 4: Simplify right side
    87,935.20x = 2,819,414,827.34
  5. Step 5: Solve for x
    x = 2,819,414,827.34/87,935.20
  6. Step 6: Final answer
    x = 32,062.42

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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.