Home / 107,397.60-161,084.09-28,517.97

Finding the Fourth Proportional to 107,397.60, 161,084.09 and 28,517.97

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Solution

The fourth proportional to 107,397.60, 161,084.09 and 28,517.97 is: 42,773.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,397.60 : 161,084.09 = 28,517.97 : x
  2. Step 2: Convert to fraction form
    107,397.60/161,084.09 = 28,517.97/x
  3. Step 3: Cross multiply
    107,397.60x = 161,084.09 × 28,517.97
  4. Step 4: Simplify right side
    107,397.60x = 4,593,791,921.46
  5. Step 5: Solve for x
    x = 4,593,791,921.46/107,397.60
  6. Step 6: Final answer
    x = 42,773.69

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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.