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Finding the Fourth Proportional to 74,239.75, 111,306.72 and 34,775.34

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Solution

The fourth proportional to 74,239.75, 111,306.72 and 34,775.34 is: 52,138.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,239.75 : 111,306.72 = 34,775.34 : x
  2. Step 2: Convert to fraction form
    74,239.75/111,306.72 = 34,775.34/x
  3. Step 3: Cross multiply
    74,239.75x = 111,306.72 × 34,775.34
  4. Step 4: Simplify right side
    74,239.75x = 3,870,729,032.28
  5. Step 5: Solve for x
    x = 3,870,729,032.28/74,239.75
  6. Step 6: Final answer
    x = 52,138.23

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