Home / 91,182.11-125,845.90-53,456.36

Finding the Fourth Proportional to 91,182.11, 125,845.90 and 53,456.36

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Solution

The fourth proportional to 91,182.11, 125,845.90 and 53,456.36 is: 73,778.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,182.11 : 125,845.90 = 53,456.36 : x
  2. Step 2: Convert to fraction form
    91,182.11/125,845.90 = 53,456.36/x
  3. Step 3: Cross multiply
    91,182.11x = 125,845.90 × 53,456.36
  4. Step 4: Simplify right side
    91,182.11x = 6,727,263,734.92
  5. Step 5: Solve for x
    x = 6,727,263,734.92/91,182.11
  6. Step 6: Final answer
    x = 73,778.33

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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.