Home / 87,949.13-132,100.77-52,479.83

Finding the Fourth Proportional to 87,949.13, 132,100.77 and 52,479.83

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Solution

The fourth proportional to 87,949.13, 132,100.77 and 52,479.83 is: 78,825.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,949.13 : 132,100.77 = 52,479.83 : x
  2. Step 2: Convert to fraction form
    87,949.13/132,100.77 = 52,479.83/x
  3. Step 3: Cross multiply
    87,949.13x = 132,100.77 × 52,479.83
  4. Step 4: Simplify right side
    87,949.13x = 6,932,626,479.52
  5. Step 5: Solve for x
    x = 6,932,626,479.52/87,949.13
  6. Step 6: Final answer
    x = 78,825.42

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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.