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Finding the Fourth Proportional to 71,046.68, 98,043.87 and 39,215.57

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Solution

The fourth proportional to 71,046.68, 98,043.87 and 39,215.57 is: 54,117.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,046.68 : 98,043.87 = 39,215.57 : x
  2. Step 2: Convert to fraction form
    71,046.68/98,043.87 = 39,215.57/x
  3. Step 3: Cross multiply
    71,046.68x = 98,043.87 × 39,215.57
  4. Step 4: Simplify right side
    71,046.68x = 3,844,845,756.84
  5. Step 5: Solve for x
    x = 3,844,845,756.84/71,046.68
  6. Step 6: Final answer
    x = 54,117.18

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