Home / 87,585.60-131,301.60-52,539.20

Finding the Fourth Proportional to 87,585.60, 131,301.60 and 52,539.20

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Solution

The fourth proportional to 87,585.60, 131,301.60 and 52,539.20 is: 78,762.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,585.60 : 131,301.60 = 52,539.20 : x
  2. Step 2: Convert to fraction form
    87,585.60/131,301.60 = 52,539.20/x
  3. Step 3: Cross multiply
    87,585.60x = 131,301.60 × 52,539.20
  4. Step 4: Simplify right side
    87,585.60x = 6,898,481,022.72
  5. Step 5: Solve for x
    x = 6,898,481,022.72/87,585.60
  6. Step 6: Final answer
    x = 78,762.73

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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.