Home / 107,591.76-161,432.46-57,659.04

Finding the Fourth Proportional to 107,591.76, 161,432.46 and 57,659.04

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Solution

The fourth proportional to 107,591.76, 161,432.46 and 57,659.04 is: 86,512.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,591.76 : 161,432.46 = 57,659.04 : x
  2. Step 2: Convert to fraction form
    107,591.76/161,432.46 = 57,659.04/x
  3. Step 3: Cross multiply
    107,591.76x = 161,432.46 × 57,659.04
  4. Step 4: Simplify right side
    107,591.76x = 9,308,040,668.44
  5. Step 5: Solve for x
    x = 9,308,040,668.44/107,591.76
  6. Step 6: Final answer
    x = 86,512.58

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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.