Home / 80,261.03-110,757.15-43,961.90

Finding the Fourth Proportional to 80,261.03, 110,757.15 and 43,961.90

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Solution

The fourth proportional to 80,261.03, 110,757.15 and 43,961.90 is: 60,665.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,261.03 : 110,757.15 = 43,961.90 : x
  2. Step 2: Convert to fraction form
    80,261.03/110,757.15 = 43,961.90/x
  3. Step 3: Cross multiply
    80,261.03x = 110,757.15 × 43,961.90
  4. Step 4: Simplify right side
    80,261.03x = 4,869,094,198.80
  5. Step 5: Solve for x
    x = 4,869,094,198.80/80,261.03
  6. Step 6: Final answer
    x = 60,665.74

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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.