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Finding the Fourth Proportional to 83,497.98, 115,223.04 and 47,198.64

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Solution

The fourth proportional to 83,497.98, 115,223.04 and 47,198.64 is: 65,131.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,497.98 : 115,223.04 = 47,198.64 : x
  2. Step 2: Convert to fraction form
    83,497.98/115,223.04 = 47,198.64/x
  3. Step 3: Cross multiply
    83,497.98x = 115,223.04 × 47,198.64
  4. Step 4: Simplify right side
    83,497.98x = 5,438,370,784.67
  5. Step 5: Solve for x
    x = 5,438,370,784.67/83,497.98
  6. Step 6: Final answer
    x = 65,131.76

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