Home / 87,695.20-131,445.60-37,766.80

Finding the Fourth Proportional to 87,695.20, 131,445.60 and 37,766.80

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Solution

The fourth proportional to 87,695.20, 131,445.60 and 37,766.80 is: 56,608.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,695.20 : 131,445.60 = 37,766.80 : x
  2. Step 2: Convert to fraction form
    87,695.20/131,445.60 = 37,766.80/x
  3. Step 3: Cross multiply
    87,695.20x = 131,445.60 × 37,766.80
  4. Step 4: Simplify right side
    87,695.20x = 4,964,279,686.08
  5. Step 5: Solve for x
    x = 4,964,279,686.08/87,695.20
  6. Step 6: Final answer
    x = 56,608.34

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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.