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Finding the Fourth Proportional to 71,881.56, 99,232.02 and 55,713.24

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Solution

The fourth proportional to 71,881.56, 99,232.02 and 55,713.24 is: 76,911.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,881.56 : 99,232.02 = 55,713.24 : x
  2. Step 2: Convert to fraction form
    71,881.56/99,232.02 = 55,713.24/x
  3. Step 3: Cross multiply
    71,881.56x = 99,232.02 × 55,713.24
  4. Step 4: Simplify right side
    71,881.56x = 5,528,537,345.94
  5. Step 5: Solve for x
    x = 5,528,537,345.94/71,881.56
  6. Step 6: Final answer
    x = 76,911.76

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