Home / 80,891.19-111,630.65-44,593.92

Finding the Fourth Proportional to 80,891.19, 111,630.65 and 44,593.92

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Solution

The fourth proportional to 80,891.19, 111,630.65 and 44,593.92 is: 61,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,891.19 : 111,630.65 = 44,593.92 : x
  2. Step 2: Convert to fraction form
    80,891.19/111,630.65 = 44,593.92/x
  3. Step 3: Cross multiply
    80,891.19x = 111,630.65 × 44,593.92
  4. Step 4: Simplify right side
    80,891.19x = 4,978,048,052.68
  5. Step 5: Solve for x
    x = 4,978,048,052.68/80,891.19
  6. Step 6: Final answer
    x = 61,540.05

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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.