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Finding the Fourth Proportional to 79,772.88, 119,546.49 and 44,249.85

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Solution

The fourth proportional to 79,772.88, 119,546.49 and 44,249.85 is: 66,312.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,772.88 : 119,546.49 = 44,249.85 : x
  2. Step 2: Convert to fraction form
    79,772.88/119,546.49 = 44,249.85/x
  3. Step 3: Cross multiply
    79,772.88x = 119,546.49 × 44,249.85
  4. Step 4: Simplify right side
    79,772.88x = 5,289,914,250.53
  5. Step 5: Solve for x
    x = 5,289,914,250.53/79,772.88
  6. Step 6: Final answer
    x = 66,312.19

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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.