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Finding the Fourth Proportional to 74,463.10, 102,759.86 and 40,471.59

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Solution

The fourth proportional to 74,463.10, 102,759.86 and 40,471.59 is: 55,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,463.10 : 102,759.86 = 40,471.59 : x
  2. Step 2: Convert to fraction form
    74,463.10/102,759.86 = 40,471.59/x
  3. Step 3: Cross multiply
    74,463.10x = 102,759.86 × 40,471.59
  4. Step 4: Simplify right side
    74,463.10x = 4,158,854,766.66
  5. Step 5: Solve for x
    x = 4,158,854,766.66/74,463.10
  6. Step 6: Final answer
    x = 55,851.22

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