Home / 83,517.86-125,257.62-49,793.42

Finding the Fourth Proportional to 83,517.86, 125,257.62 and 49,793.42

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Solution

The fourth proportional to 83,517.86, 125,257.62 and 49,793.42 is: 74,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,517.86 : 125,257.62 = 49,793.42 : x
  2. Step 2: Convert to fraction form
    83,517.86/125,257.62 = 49,793.42/x
  3. Step 3: Cross multiply
    83,517.86x = 125,257.62 × 49,793.42
  4. Step 4: Simplify right side
    83,517.86x = 6,237,005,280.86
  5. Step 5: Solve for x
    x = 6,237,005,280.86/83,517.86
  6. Step 6: Final answer
    x = 74,678.70

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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.