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Finding the Fourth Proportional to 85,922.25, 118,572.43 and 47,687.56

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Solution

The fourth proportional to 85,922.25, 118,572.43 and 47,687.56 is: 65,808.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,922.25 : 118,572.43 = 47,687.56 : x
  2. Step 2: Convert to fraction form
    85,922.25/118,572.43 = 47,687.56/x
  3. Step 3: Cross multiply
    85,922.25x = 118,572.43 × 47,687.56
  4. Step 4: Simplify right side
    85,922.25x = 5,654,429,869.97
  5. Step 5: Solve for x
    x = 5,654,429,869.97/85,922.25
  6. Step 6: Final answer
    x = 65,808.68

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