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Finding the Fourth Proportional to 82,415.55, 123,616.49 and 26,253.39

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Solution

The fourth proportional to 82,415.55, 123,616.49 and 26,253.39 is: 39,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,415.55 : 123,616.49 = 26,253.39 : x
  2. Step 2: Convert to fraction form
    82,415.55/123,616.49 = 26,253.39/x
  3. Step 3: Cross multiply
    82,415.55x = 123,616.49 × 26,253.39
  4. Step 4: Simplify right side
    82,415.55x = 3,245,351,327.57
  5. Step 5: Solve for x
    x = 3,245,351,327.57/82,415.55
  6. Step 6: Final answer
    x = 39,377.90

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