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Finding the Fourth Proportional to 73,912.68, 101,999.64 and 42,081.54

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Solution

The fourth proportional to 73,912.68, 101,999.64 and 42,081.54 is: 58,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,912.68 : 101,999.64 = 42,081.54 : x
  2. Step 2: Convert to fraction form
    73,912.68/101,999.64 = 42,081.54/x
  3. Step 3: Cross multiply
    73,912.68x = 101,999.64 × 42,081.54
  4. Step 4: Simplify right side
    73,912.68x = 4,292,301,930.65
  5. Step 5: Solve for x
    x = 4,292,301,930.65/73,912.68
  6. Step 6: Final answer
    x = 58,072.61

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