Home / 71,249.22-106,839.30-29,112.57

Finding the Fourth Proportional to 71,249.22, 106,839.30 and 29,112.57

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Solution

The fourth proportional to 71,249.22, 106,839.30 and 29,112.57 is: 43,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,249.22 : 106,839.30 = 29,112.57 : x
  2. Step 2: Convert to fraction form
    71,249.22/106,839.30 = 29,112.57/x
  3. Step 3: Cross multiply
    71,249.22x = 106,839.30 × 29,112.57
  4. Step 4: Simplify right side
    71,249.22x = 3,110,366,600.00
  5. Step 5: Solve for x
    x = 3,110,366,600.00/71,249.22
  6. Step 6: Final answer
    x = 43,654.75

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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.