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Finding the Fourth Proportional to 71,395.40, 107,093.10 and 68,673.80

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Solution

The fourth proportional to 71,395.40, 107,093.10 and 68,673.80 is: 103,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,395.40 : 107,093.10 = 68,673.80 : x
  2. Step 2: Convert to fraction form
    71,395.40/107,093.10 = 68,673.80/x
  3. Step 3: Cross multiply
    71,395.40x = 107,093.10 × 68,673.80
  4. Step 4: Simplify right side
    71,395.40x = 7,354,490,130.78
  5. Step 5: Solve for x
    x = 7,354,490,130.78/71,395.40
  6. Step 6: Final answer
    x = 103,010.70

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