Home / 80,190.90-110,660.04-44,377.56

Finding the Fourth Proportional to 80,190.90, 110,660.04 and 44,377.56

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Solution

The fourth proportional to 80,190.90, 110,660.04 and 44,377.56 is: 61,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,190.90 : 110,660.04 = 44,377.56 : x
  2. Step 2: Convert to fraction form
    80,190.90/110,660.04 = 44,377.56/x
  3. Step 3: Cross multiply
    80,190.90x = 110,660.04 × 44,377.56
  4. Step 4: Simplify right side
    80,190.90x = 4,910,822,564.70
  5. Step 5: Solve for x
    x = 4,910,822,564.70/80,190.90
  6. Step 6: Final answer
    x = 61,239.15

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1.5x scale

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.