Home / 87,149.52-120,265.56-49,424.04

Finding the Fourth Proportional to 87,149.52, 120,265.56 and 49,424.04

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Solution

The fourth proportional to 87,149.52, 120,265.56 and 49,424.04 is: 68,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,149.52 : 120,265.56 = 49,424.04 : x
  2. Step 2: Convert to fraction form
    87,149.52/120,265.56 = 49,424.04/x
  3. Step 3: Cross multiply
    87,149.52x = 120,265.56 × 49,424.04
  4. Step 4: Simplify right side
    87,149.52x = 5,944,009,848.06
  5. Step 5: Solve for x
    x = 5,944,009,848.06/87,149.52
  6. Step 6: Final answer
    x = 68,204.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.