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Finding the Fourth Proportional to 83,307.76, 124,948.79 and 27,147.72

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Solution

The fourth proportional to 83,307.76, 124,948.79 and 27,147.72 is: 40,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,307.76 : 124,948.79 = 27,147.72 : x
  2. Step 2: Convert to fraction form
    83,307.76/124,948.79 = 27,147.72/x
  3. Step 3: Cross multiply
    83,307.76x = 124,948.79 × 27,147.72
  4. Step 4: Simplify right side
    83,307.76x = 3,392,074,833.13
  5. Step 5: Solve for x
    x = 3,392,074,833.13/83,307.76
  6. Step 6: Final answer
    x = 40,717.40

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