Home / 107,481.44-148,336.38-65,039.04

Finding the Fourth Proportional to 107,481.44, 148,336.38 and 65,039.04

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Solution

The fourth proportional to 107,481.44, 148,336.38 and 65,039.04 is: 89,761.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,481.44 : 148,336.38 = 65,039.04 : x
  2. Step 2: Convert to fraction form
    107,481.44/148,336.38 = 65,039.04/x
  3. Step 3: Cross multiply
    107,481.44x = 148,336.38 × 65,039.04
  4. Step 4: Simplify right side
    107,481.44x = 9,647,655,752.28
  5. Step 5: Solve for x
    x = 9,647,655,752.28/107,481.44
  6. Step 6: Final answer
    x = 89,761.13

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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.