Home / 79,747.20-119,635.38-33,003.72

Finding the Fourth Proportional to 79,747.20, 119,635.38 and 33,003.72

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Solution

The fourth proportional to 79,747.20, 119,635.38 and 33,003.72 is: 49,511.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,747.20 : 119,635.38 = 33,003.72 : x
  2. Step 2: Convert to fraction form
    79,747.20/119,635.38 = 33,003.72/x
  3. Step 3: Cross multiply
    79,747.20x = 119,635.38 × 33,003.72
  4. Step 4: Simplify right side
    79,747.20x = 3,948,412,583.61
  5. Step 5: Solve for x
    x = 3,948,412,583.61/79,747.20
  6. Step 6: Final answer
    x = 49,511.61

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1.5x scale

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.