Home / 91,183.38-125,854.06-53,469.78

Finding the Fourth Proportional to 91,183.38, 125,854.06 and 53,469.78

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Solution

The fourth proportional to 91,183.38, 125,854.06 and 53,469.78 is: 73,800.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,183.38 : 125,854.06 = 53,469.78 : x
  2. Step 2: Convert to fraction form
    91,183.38/125,854.06 = 53,469.78/x
  3. Step 3: Cross multiply
    91,183.38x = 125,854.06 × 53,469.78
  4. Step 4: Simplify right side
    91,183.38x = 6,729,389,348.62
  5. Step 5: Solve for x
    x = 6,729,389,348.62/91,183.38
  6. Step 6: Final answer
    x = 73,800.61

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1.5x scale

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.