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Finding the Fourth Proportional to 78,072.75, 117,112.37 and 22,668.75

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Solution

The fourth proportional to 78,072.75, 117,112.37 and 22,668.75 is: 34,004.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,072.75 : 117,112.37 = 22,668.75 : x
  2. Step 2: Convert to fraction form
    78,072.75/117,112.37 = 22,668.75/x
  3. Step 3: Cross multiply
    78,072.75x = 117,112.37 × 22,668.75
  4. Step 4: Simplify right side
    78,072.75x = 2,654,790,924.09
  5. Step 5: Solve for x
    x = 2,654,790,924.09/78,072.75
  6. Step 6: Final answer
    x = 34,004.07

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