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Finding the Fourth Proportional to 83,414.55, 115,120.33 and 47,609.96

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Solution

The fourth proportional to 83,414.55, 115,120.33 and 47,609.96 is: 65,706.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,414.55 : 115,120.33 = 47,609.96 : x
  2. Step 2: Convert to fraction form
    83,414.55/115,120.33 = 47,609.96/x
  3. Step 3: Cross multiply
    83,414.55x = 115,120.33 × 47,609.96
  4. Step 4: Simplify right side
    83,414.55x = 5,480,873,611.86
  5. Step 5: Solve for x
    x = 5,480,873,611.86/83,414.55
  6. Step 6: Final answer
    x = 65,706.45

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