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Finding the Fourth Proportional to 54,232.40, 81,348.60 and 53,886.80

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Solution

The fourth proportional to 54,232.40, 81,348.60 and 53,886.80 is: 80,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,232.40 : 81,348.60 = 53,886.80 : x
  2. Step 2: Convert to fraction form
    54,232.40/81,348.60 = 53,886.80/x
  3. Step 3: Cross multiply
    54,232.40x = 81,348.60 × 53,886.80
  4. Step 4: Simplify right side
    54,232.40x = 4,383,615,738.48
  5. Step 5: Solve for x
    x = 4,383,615,738.48/54,232.40
  6. Step 6: Final answer
    x = 80,830.20

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