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Finding the Fourth Proportional to 74,943.75, 103,429.94 and 41,409.75

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Solution

The fourth proportional to 74,943.75, 103,429.94 and 41,409.75 is: 57,149.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,943.75 : 103,429.94 = 41,409.75 : x
  2. Step 2: Convert to fraction form
    74,943.75/103,429.94 = 41,409.75/x
  3. Step 3: Cross multiply
    74,943.75x = 103,429.94 × 41,409.75
  4. Step 4: Simplify right side
    74,943.75x = 4,283,007,957.92
  5. Step 5: Solve for x
    x = 4,283,007,957.92/74,943.75
  6. Step 6: Final answer
    x = 57,149.63

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