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Finding the Fourth Proportional to 71,029.68, 98,020.74 and 39,198.30

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Solution

The fourth proportional to 71,029.68, 98,020.74 and 39,198.30 is: 54,093.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,029.68 : 98,020.74 = 39,198.30 : x
  2. Step 2: Convert to fraction form
    71,029.68/98,020.74 = 39,198.30/x
  3. Step 3: Cross multiply
    71,029.68x = 98,020.74 × 39,198.30
  4. Step 4: Simplify right side
    71,029.68x = 3,842,246,372.74
  5. Step 5: Solve for x
    x = 3,842,246,372.74/71,029.68
  6. Step 6: Final answer
    x = 54,093.53

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