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Finding the Fourth Proportional to 71,806.12, 99,118.02 and 51,674.92

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Solution

The fourth proportional to 71,806.12, 99,118.02 and 51,674.92 is: 71,329.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,806.12 : 99,118.02 = 51,674.92 : x
  2. Step 2: Convert to fraction form
    71,806.12/99,118.02 = 51,674.92/x
  3. Step 3: Cross multiply
    71,806.12x = 99,118.02 × 51,674.92
  4. Step 4: Simplify right side
    71,806.12x = 5,121,915,754.06
  5. Step 5: Solve for x
    x = 5,121,915,754.06/71,806.12
  6. Step 6: Final answer
    x = 71,329.79

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