Home / 83,820.11-125,747.78-24,650.82

Finding the Fourth Proportional to 83,820.11, 125,747.78 and 24,650.82

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Solution

The fourth proportional to 83,820.11, 125,747.78 and 24,650.82 is: 36,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,820.11 : 125,747.78 = 24,650.82 : x
  2. Step 2: Convert to fraction form
    83,820.11/125,747.78 = 24,650.82/x
  3. Step 3: Cross multiply
    83,820.11x = 125,747.78 × 24,650.82
  4. Step 4: Simplify right side
    83,820.11x = 3,099,785,766.93
  5. Step 5: Solve for x
    x = 3,099,785,766.93/83,820.11
  6. Step 6: Final answer
    x = 36,981.41

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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.