Home / 87,711.04-131,508.72-31,522.96

Finding the Fourth Proportional to 87,711.04, 131,508.72 and 31,522.96

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Solution

The fourth proportional to 87,711.04, 131,508.72 and 31,522.96 is: 47,263.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,711.04 : 131,508.72 = 31,522.96 : x
  2. Step 2: Convert to fraction form
    87,711.04/131,508.72 = 31,522.96/x
  3. Step 3: Cross multiply
    87,711.04x = 131,508.72 × 31,522.96
  4. Step 4: Simplify right side
    87,711.04x = 4,145,544,120.21
  5. Step 5: Solve for x
    x = 4,145,544,120.21/87,711.04
  6. Step 6: Final answer
    x = 47,263.65

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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.