Home / 87,488-131,255.52-34,934.42

Finding the Fourth Proportional to 87,488, 131,255.52 and 34,934.42

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Solution

The fourth proportional to 87,488, 131,255.52 and 34,934.42 is: 52,411.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488 : 131,255.52 = 34,934.42 : x
  2. Step 2: Convert to fraction form
    87,488/131,255.52 = 34,934.42/x
  3. Step 3: Cross multiply
    87,488x = 131,255.52 × 34,934.42
  4. Step 4: Simplify right side
    87,488x = 4,585,335,463.00
  5. Step 5: Solve for x
    x = 4,585,335,463.00/87,488
  6. Step 6: Final answer
    x = 52,411.02

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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.