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Finding the Fourth Proportional to 83,221.70, 124,832.55 and 36,565.70

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Solution

The fourth proportional to 83,221.70, 124,832.55 and 36,565.70 is: 54,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,221.70 : 124,832.55 = 36,565.70 : x
  2. Step 2: Convert to fraction form
    83,221.70/124,832.55 = 36,565.70/x
  3. Step 3: Cross multiply
    83,221.70x = 124,832.55 × 36,565.70
  4. Step 4: Simplify right side
    83,221.70x = 4,564,589,573.54
  5. Step 5: Solve for x
    x = 4,564,589,573.54/83,221.70
  6. Step 6: Final answer
    x = 54,848.55

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