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Finding the Fourth Proportional to 83,836.90, 125,728.62 and 27,666.56

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Solution

The fourth proportional to 83,836.90, 125,728.62 and 27,666.56 is: 41,491.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,836.90 : 125,728.62 = 27,666.56 : x
  2. Step 2: Convert to fraction form
    83,836.90/125,728.62 = 27,666.56/x
  3. Step 3: Cross multiply
    83,836.90x = 125,728.62 × 27,666.56
  4. Step 4: Simplify right side
    83,836.90x = 3,478,478,408.95
  5. Step 5: Solve for x
    x = 3,478,478,408.95/83,836.90
  6. Step 6: Final answer
    x = 41,491.02

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