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Finding the Fourth Proportional to 82,768.26, 114,220.60 and 45,042.50

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Solution

The fourth proportional to 82,768.26, 114,220.60 and 45,042.50 is: 62,158.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,768.26 : 114,220.60 = 45,042.50 : x
  2. Step 2: Convert to fraction form
    82,768.26/114,220.60 = 45,042.50/x
  3. Step 3: Cross multiply
    82,768.26x = 114,220.60 × 45,042.50
  4. Step 4: Simplify right side
    82,768.26x = 5,144,781,375.50
  5. Step 5: Solve for x
    x = 5,144,781,375.50/82,768.26
  6. Step 6: Final answer
    x = 62,158.87

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