Home / 87,614.49-131,168.46-51,481.65

Finding the Fourth Proportional to 87,614.49, 131,168.46 and 51,481.65

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Solution

The fourth proportional to 87,614.49, 131,168.46 and 51,481.65 is: 77,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614.49 : 131,168.46 = 51,481.65 : x
  2. Step 2: Convert to fraction form
    87,614.49/131,168.46 = 51,481.65/x
  3. Step 3: Cross multiply
    87,614.49x = 131,168.46 × 51,481.65
  4. Step 4: Simplify right side
    87,614.49x = 6,752,768,748.76
  5. Step 5: Solve for x
    x = 6,752,768,748.76/87,614.49
  6. Step 6: Final answer
    x = 77,073.65

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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.