Home / 87,725.25-131,601.54-28,546.95

Finding the Fourth Proportional to 87,725.25, 131,601.54 and 28,546.95

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Solution

The fourth proportional to 87,725.25, 131,601.54 and 28,546.95 is: 42,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,725.25 : 131,601.54 = 28,546.95 : x
  2. Step 2: Convert to fraction form
    87,725.25/131,601.54 = 28,546.95/x
  3. Step 3: Cross multiply
    87,725.25x = 131,601.54 × 28,546.95
  4. Step 4: Simplify right side
    87,725.25x = 3,756,822,582.30
  5. Step 5: Solve for x
    x = 3,756,822,582.30/87,725.25
  6. Step 6: Final answer
    x = 42,824.87

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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.