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Finding the Fourth Proportional to 86,153.52, 118,891.71 and 47,912.03

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Solution

The fourth proportional to 86,153.52, 118,891.71 and 47,912.03 is: 66,118.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,153.52 : 118,891.71 = 47,912.03 : x
  2. Step 2: Convert to fraction form
    86,153.52/118,891.71 = 47,912.03/x
  3. Step 3: Cross multiply
    86,153.52x = 118,891.71 × 47,912.03
  4. Step 4: Simplify right side
    86,153.52x = 5,696,342,581.81
  5. Step 5: Solve for x
    x = 5,696,342,581.81/86,153.52
  6. Step 6: Final answer
    x = 66,118.51

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