Home / 84,535.80-126,712.17-54,974.85

Finding the Fourth Proportional to 84,535.80, 126,712.17 and 54,974.85

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Solution

The fourth proportional to 84,535.80, 126,712.17 and 54,974.85 is: 82,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,535.80 : 126,712.17 = 54,974.85 : x
  2. Step 2: Convert to fraction form
    84,535.80/126,712.17 = 54,974.85/x
  3. Step 3: Cross multiply
    84,535.80x = 126,712.17 × 54,974.85
  4. Step 4: Simplify right side
    84,535.80x = 6,965,982,538.92
  5. Step 5: Solve for x
    x = 6,965,982,538.92/84,535.80
  6. Step 6: Final answer
    x = 82,402.75

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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.