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Finding the Fourth Proportional to 80,806.47, 121,134.87 and 41,276.40

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Solution

The fourth proportional to 80,806.47, 121,134.87 and 41,276.40 is: 61,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,806.47 : 121,134.87 = 41,276.40 : x
  2. Step 2: Convert to fraction form
    80,806.47/121,134.87 = 41,276.40/x
  3. Step 3: Cross multiply
    80,806.47x = 121,134.87 × 41,276.40
  4. Step 4: Simplify right side
    80,806.47x = 5,000,011,348.07
  5. Step 5: Solve for x
    x = 5,000,011,348.07/80,806.47
  6. Step 6: Final answer
    x = 61,876.37

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