Home / 49,766.05-68,678.45-27,105.90

Finding the Fourth Proportional to 49,766.05, 68,678.45 and 27,105.90

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Solution

The fourth proportional to 49,766.05, 68,678.45 and 27,105.90 is: 37,406.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,766.05 : 68,678.45 = 27,105.90 : x
  2. Step 2: Convert to fraction form
    49,766.05/68,678.45 = 27,105.90/x
  3. Step 3: Cross multiply
    49,766.05x = 68,678.45 × 27,105.90
  4. Step 4: Simplify right side
    49,766.05x = 1,861,591,197.86
  5. Step 5: Solve for x
    x = 1,861,591,197.86/49,766.05
  6. Step 6: Final answer
    x = 37,406.85

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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.