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Finding the Fourth Proportional to 74,458.73, 102,711.42 and 45,758.43

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Solution

The fourth proportional to 74,458.73, 102,711.42 and 45,758.43 is: 63,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,458.73 : 102,711.42 = 45,758.43 : x
  2. Step 2: Convert to fraction form
    74,458.73/102,711.42 = 45,758.43/x
  3. Step 3: Cross multiply
    74,458.73x = 102,711.42 × 45,758.43
  4. Step 4: Simplify right side
    74,458.73x = 4,699,913,322.27
  5. Step 5: Solve for x
    x = 4,699,913,322.27/74,458.73
  6. Step 6: Final answer
    x = 63,121.06

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