Home / 67,854.20-101,780.10-27,864.52

Finding the Fourth Proportional to 67,854.20, 101,780.10 and 27,864.52

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Solution

The fourth proportional to 67,854.20, 101,780.10 and 27,864.52 is: 41,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,854.20 : 101,780.10 = 27,864.52 : x
  2. Step 2: Convert to fraction form
    67,854.20/101,780.10 = 27,864.52/x
  3. Step 3: Cross multiply
    67,854.20x = 101,780.10 × 27,864.52
  4. Step 4: Simplify right side
    67,854.20x = 2,836,053,632.05
  5. Step 5: Solve for x
    x = 2,836,053,632.05/67,854.20
  6. Step 6: Final answer
    x = 41,796.29

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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.