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Finding the Fourth Proportional to 73,945.75, 102,045.18 and 40,411.75

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Solution

The fourth proportional to 73,945.75, 102,045.18 and 40,411.75 is: 55,768.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,945.75 : 102,045.18 = 40,411.75 : x
  2. Step 2: Convert to fraction form
    73,945.75/102,045.18 = 40,411.75/x
  3. Step 3: Cross multiply
    73,945.75x = 102,045.18 × 40,411.75
  4. Step 4: Simplify right side
    73,945.75x = 4,123,824,302.87
  5. Step 5: Solve for x
    x = 4,123,824,302.87/73,945.75
  6. Step 6: Final answer
    x = 55,768.24

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