Home / 91,077.43-125,686.61-50,791.24

Finding the Fourth Proportional to 91,077.43, 125,686.61 and 50,791.24

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Solution

The fourth proportional to 91,077.43, 125,686.61 and 50,791.24 is: 70,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,077.43 : 125,686.61 = 50,791.24 : x
  2. Step 2: Convert to fraction form
    91,077.43/125,686.61 = 50,791.24/x
  3. Step 3: Cross multiply
    91,077.43x = 125,686.61 × 50,791.24
  4. Step 4: Simplify right side
    91,077.43x = 6,383,778,773.30
  5. Step 5: Solve for x
    x = 6,383,778,773.30/91,077.43
  6. Step 6: Final answer
    x = 70,091.78

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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.