Home / 107,010.32-160,517.30-40,481.78

Finding the Fourth Proportional to 107,010.32, 160,517.30 and 40,481.78

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Solution

The fourth proportional to 107,010.32, 160,517.30 and 40,481.78 is: 60,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,010.32 : 160,517.30 = 40,481.78 : x
  2. Step 2: Convert to fraction form
    107,010.32/160,517.30 = 40,481.78/x
  3. Step 3: Cross multiply
    107,010.32x = 160,517.30 × 40,481.78
  4. Step 4: Simplify right side
    107,010.32x = 6,498,025,019.80
  5. Step 5: Solve for x
    x = 6,498,025,019.80/107,010.32
  6. Step 6: Final answer
    x = 60,723.35

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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.