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Finding the Fourth Proportional to 75,105.92, 103,683.57 and 43,268.60

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Solution

The fourth proportional to 75,105.92, 103,683.57 and 43,268.60 is: 59,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,105.92 : 103,683.57 = 43,268.60 : x
  2. Step 2: Convert to fraction form
    75,105.92/103,683.57 = 43,268.60/x
  3. Step 3: Cross multiply
    75,105.92x = 103,683.57 × 43,268.60
  4. Step 4: Simplify right side
    75,105.92x = 4,486,242,916.90
  5. Step 5: Solve for x
    x = 4,486,242,916.90/75,105.92
  6. Step 6: Final answer
    x = 59,732.21

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