Home / 68,757.12-103,044.96-27,181.44

Finding the Fourth Proportional to 68,757.12, 103,044.96 and 27,181.44

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Solution

The fourth proportional to 68,757.12, 103,044.96 and 27,181.44 is: 40,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,757.12 : 103,044.96 = 27,181.44 : x
  2. Step 2: Convert to fraction form
    68,757.12/103,044.96 = 27,181.44/x
  3. Step 3: Cross multiply
    68,757.12x = 103,044.96 × 27,181.44
  4. Step 4: Simplify right side
    68,757.12x = 2,800,910,397.54
  5. Step 5: Solve for x
    x = 2,800,910,397.54/68,757.12
  6. Step 6: Final answer
    x = 40,736.30

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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.