Home / 83,766.76-125,469.70-39,326.92

Finding the Fourth Proportional to 83,766.76, 125,469.70 and 39,326.92

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Solution

The fourth proportional to 83,766.76, 125,469.70 and 39,326.92 is: 58,905.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,766.76 : 125,469.70 = 39,326.92 : x
  2. Step 2: Convert to fraction form
    83,766.76/125,469.70 = 39,326.92/x
  3. Step 3: Cross multiply
    83,766.76x = 125,469.70 × 39,326.92
  4. Step 4: Simplify right side
    83,766.76x = 4,934,336,030.34
  5. Step 5: Solve for x
    x = 4,934,336,030.34/83,766.76
  6. Step 6: Final answer
    x = 58,905.66

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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.