Home / 71,209.38-106,778.01-23,807.61

Finding the Fourth Proportional to 71,209.38, 106,778.01 and 23,807.61

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Solution

The fourth proportional to 71,209.38, 106,778.01 and 23,807.61 is: 35,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,209.38 : 106,778.01 = 23,807.61 : x
  2. Step 2: Convert to fraction form
    71,209.38/106,778.01 = 23,807.61/x
  3. Step 3: Cross multiply
    71,209.38x = 106,778.01 × 23,807.61
  4. Step 4: Simplify right side
    71,209.38x = 2,542,129,218.66
  5. Step 5: Solve for x
    x = 2,542,129,218.66/71,209.38
  6. Step 6: Final answer
    x = 35,699.36

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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.