Home / 87,599.60-131,233.24-51,985.65

Finding the Fourth Proportional to 87,599.60, 131,233.24 and 51,985.65

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Solution

The fourth proportional to 87,599.60, 131,233.24 and 51,985.65 is: 77,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,599.60 : 131,233.24 = 51,985.65 : x
  2. Step 2: Convert to fraction form
    87,599.60/131,233.24 = 51,985.65/x
  3. Step 3: Cross multiply
    87,599.60x = 131,233.24 × 51,985.65
  4. Step 4: Simplify right side
    87,599.60x = 6,822,245,283.01
  5. Step 5: Solve for x
    x = 6,822,245,283.01/87,599.60
  6. Step 6: Final answer
    x = 77,879.87

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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.