Home / 68,906.16-95,105.31-42,042.90

Finding the Fourth Proportional to 68,906.16, 95,105.31 and 42,042.90

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Solution

The fourth proportional to 68,906.16, 95,105.31 and 42,042.90 is: 58,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,906.16 : 95,105.31 = 42,042.90 : x
  2. Step 2: Convert to fraction form
    68,906.16/95,105.31 = 42,042.90/x
  3. Step 3: Cross multiply
    68,906.16x = 95,105.31 × 42,042.90
  4. Step 4: Simplify right side
    68,906.16x = 3,998,503,037.80
  5. Step 5: Solve for x
    x = 3,998,503,037.80/68,906.16
  6. Step 6: Final answer
    x = 58,028.24

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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.