Home / 87,470.28-131,130.66-40,069.47

Finding the Fourth Proportional to 87,470.28, 131,130.66 and 40,069.47

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Solution

The fourth proportional to 87,470.28, 131,130.66 and 40,069.47 is: 60,069.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,470.28 : 131,130.66 = 40,069.47 : x
  2. Step 2: Convert to fraction form
    87,470.28/131,130.66 = 40,069.47/x
  3. Step 3: Cross multiply
    87,470.28x = 131,130.66 × 40,069.47
  4. Step 4: Simplify right side
    87,470.28x = 5,254,336,046.95
  5. Step 5: Solve for x
    x = 5,254,336,046.95/87,470.28
  6. Step 6: Final answer
    x = 60,069.96

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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.