Home / 87,562.97-131,320.52-31,392.64

Finding the Fourth Proportional to 87,562.97, 131,320.52 and 31,392.64

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Solution

The fourth proportional to 87,562.97, 131,320.52 and 31,392.64 is: 47,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,562.97 : 131,320.52 = 31,392.64 : x
  2. Step 2: Convert to fraction form
    87,562.97/131,320.52 = 31,392.64/x
  3. Step 3: Cross multiply
    87,562.97x = 131,320.52 × 31,392.64
  4. Step 4: Simplify right side
    87,562.97x = 4,122,498,110.47
  5. Step 5: Solve for x
    x = 4,122,498,110.47/87,562.97
  6. Step 6: Final answer
    x = 47,080.38

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1.5x scale

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.