Home / 87,951.13-132,103.78-52,481.83

Finding the Fourth Proportional to 87,951.13, 132,103.78 and 52,481.83

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Solution

The fourth proportional to 87,951.13, 132,103.78 and 52,481.83 is: 78,828.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,951.13 : 132,103.78 = 52,481.83 : x
  2. Step 2: Convert to fraction form
    87,951.13/132,103.78 = 52,481.83/x
  3. Step 3: Cross multiply
    87,951.13x = 132,103.78 × 52,481.83
  4. Step 4: Simplify right side
    87,951.13x = 6,933,048,124.32
  5. Step 5: Solve for x
    x = 6,933,048,124.32/87,951.13
  6. Step 6: Final answer
    x = 78,828.41

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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.