Home / 83,151.60-124,649.63-30,546.96

Finding the Fourth Proportional to 83,151.60, 124,649.63 and 30,546.96

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Solution

The fourth proportional to 83,151.60, 124,649.63 and 30,546.96 is: 45,791.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,151.60 : 124,649.63 = 30,546.96 : x
  2. Step 2: Convert to fraction form
    83,151.60/124,649.63 = 30,546.96/x
  3. Step 3: Cross multiply
    83,151.60x = 124,649.63 × 30,546.96
  4. Step 4: Simplify right side
    83,151.60x = 3,807,667,261.62
  5. Step 5: Solve for x
    x = 3,807,667,261.62/83,151.60
  6. Step 6: Final answer
    x = 45,791.87

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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.