Home / 80,540.73-120,812.31-24,383.43

Finding the Fourth Proportional to 80,540.73, 120,812.31 and 24,383.43

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Solution

The fourth proportional to 80,540.73, 120,812.31 and 24,383.43 is: 36,575.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,540.73 : 120,812.31 = 24,383.43 : x
  2. Step 2: Convert to fraction form
    80,540.73/120,812.31 = 24,383.43/x
  3. Step 3: Cross multiply
    80,540.73x = 120,812.31 × 24,383.43
  4. Step 4: Simplify right side
    80,540.73x = 2,945,818,504.02
  5. Step 5: Solve for x
    x = 2,945,818,504.02/80,540.73
  6. Step 6: Final answer
    x = 36,575.51

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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.