Home / 68,508.38-102,780.49-29,067.10

Finding the Fourth Proportional to 68,508.38, 102,780.49 and 29,067.10

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Solution

The fourth proportional to 68,508.38, 102,780.49 and 29,067.10 is: 43,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,508.38 : 102,780.49 = 29,067.10 : x
  2. Step 2: Convert to fraction form
    68,508.38/102,780.49 = 29,067.10/x
  3. Step 3: Cross multiply
    68,508.38x = 102,780.49 × 29,067.10
  4. Step 4: Simplify right side
    68,508.38x = 2,987,530,780.88
  5. Step 5: Solve for x
    x = 2,987,530,780.88/68,508.38
  6. Step 6: Final answer
    x = 43,608.25

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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.