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Finding the Fourth Proportional to 86,203.52, 118,959.96 and 48,478.16

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Solution

The fourth proportional to 86,203.52, 118,959.96 and 48,478.16 is: 66,899.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,203.52 : 118,959.96 = 48,478.16 : x
  2. Step 2: Convert to fraction form
    86,203.52/118,959.96 = 48,478.16/x
  3. Step 3: Cross multiply
    86,203.52x = 118,959.96 × 48,478.16
  4. Step 4: Simplify right side
    86,203.52x = 5,766,959,974.47
  5. Step 5: Solve for x
    x = 5,766,959,974.47/86,203.52
  6. Step 6: Final answer
    x = 66,899.36

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