Home / 80,517.17-111,110.33-44,705.05

Finding the Fourth Proportional to 80,517.17, 111,110.33 and 44,705.05

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Solution

The fourth proportional to 80,517.17, 111,110.33 and 44,705.05 is: 61,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,517.17 : 111,110.33 = 44,705.05 : x
  2. Step 2: Convert to fraction form
    80,517.17/111,110.33 = 44,705.05/x
  3. Step 3: Cross multiply
    80,517.17x = 111,110.33 × 44,705.05
  4. Step 4: Simplify right side
    80,517.17x = 4,967,192,692.15
  5. Step 5: Solve for x
    x = 4,967,192,692.15/80,517.17
  6. Step 6: Final answer
    x = 61,691.10

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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.