Home / 87,935.64-131,902.30-21,375.58

Finding the Fourth Proportional to 87,935.64, 131,902.30 and 21,375.58

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Solution

The fourth proportional to 87,935.64, 131,902.30 and 21,375.58 is: 32,063.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,935.64 : 131,902.30 = 21,375.58 : x
  2. Step 2: Convert to fraction form
    87,935.64/131,902.30 = 21,375.58/x
  3. Step 3: Cross multiply
    87,935.64x = 131,902.30 × 21,375.58
  4. Step 4: Simplify right side
    87,935.64x = 2,819,488,165.83
  5. Step 5: Solve for x
    x = 2,819,488,165.83/87,935.64
  6. Step 6: Final answer
    x = 32,063.09

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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.