Home / 87,960.44-131,891.52-28,780.22

Finding the Fourth Proportional to 87,960.44, 131,891.52 and 28,780.22

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Solution

The fourth proportional to 87,960.44, 131,891.52 and 28,780.22 is: 43,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,960.44 : 131,891.52 = 28,780.22 : x
  2. Step 2: Convert to fraction form
    87,960.44/131,891.52 = 28,780.22/x
  3. Step 3: Cross multiply
    87,960.44x = 131,891.52 × 28,780.22
  4. Step 4: Simplify right side
    87,960.44x = 3,795,866,961.73
  5. Step 5: Solve for x
    x = 3,795,866,961.73/87,960.44
  6. Step 6: Final answer
    x = 43,154.25

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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.