Home / 87,044.46-120,121.29-49,318.71

Finding the Fourth Proportional to 87,044.46, 120,121.29 and 49,318.71

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Solution

The fourth proportional to 87,044.46, 120,121.29 and 49,318.71 is: 68,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,044.46 : 120,121.29 = 49,318.71 : x
  2. Step 2: Convert to fraction form
    87,044.46/120,121.29 = 49,318.71/x
  3. Step 3: Cross multiply
    87,044.46x = 120,121.29 × 49,318.71
  4. Step 4: Simplify right side
    87,044.46x = 5,924,227,066.34
  5. Step 5: Solve for x
    x = 5,924,227,066.34/87,044.46
  6. Step 6: Final answer
    x = 68,059.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.