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Finding the Fourth Proportional to 68,332.82, 102,514.08 and 20,948.09

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Solution

The fourth proportional to 68,332.82, 102,514.08 and 20,948.09 is: 31,426.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,332.82 : 102,514.08 = 20,948.09 : x
  2. Step 2: Convert to fraction form
    68,332.82/102,514.08 = 20,948.09/x
  3. Step 3: Cross multiply
    68,332.82x = 102,514.08 × 20,948.09
  4. Step 4: Simplify right side
    68,332.82x = 2,147,474,174.11
  5. Step 5: Solve for x
    x = 2,147,474,174.11/68,332.82
  6. Step 6: Final answer
    x = 31,426.69

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