Home / 66,517.20-99,921.60-49,098.96

Finding the Fourth Proportional to 66,517.20, 99,921.60 and 49,098.96

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Solution

The fourth proportional to 66,517.20, 99,921.60 and 49,098.96 is: 73,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,517.20 : 99,921.60 = 49,098.96 : x
  2. Step 2: Convert to fraction form
    66,517.20/99,921.60 = 49,098.96/x
  3. Step 3: Cross multiply
    66,517.20x = 99,921.60 × 49,098.96
  4. Step 4: Simplify right side
    66,517.20x = 4,906,046,641.54
  5. Step 5: Solve for x
    x = 4,906,046,641.54/66,517.20
  6. Step 6: Final answer
    x = 73,756.06

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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.