Home / 87,565.43-131,357.37-40,172.46

Finding the Fourth Proportional to 87,565.43, 131,357.37 and 40,172.46

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Solution

The fourth proportional to 87,565.43, 131,357.37 and 40,172.46 is: 60,262.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,565.43 : 131,357.37 = 40,172.46 : x
  2. Step 2: Convert to fraction form
    87,565.43/131,357.37 = 40,172.46/x
  3. Step 3: Cross multiply
    87,565.43x = 131,357.37 × 40,172.46
  4. Step 4: Simplify right side
    87,565.43x = 5,276,948,237.10
  5. Step 5: Solve for x
    x = 5,276,948,237.10/87,565.43
  6. Step 6: Final answer
    x = 60,262.92

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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.