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Finding the Fourth Proportional to 83,220.48, 124,830.72 and 43,796.16

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Solution

The fourth proportional to 83,220.48, 124,830.72 and 43,796.16 is: 65,694.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,220.48 : 124,830.72 = 43,796.16 : x
  2. Step 2: Convert to fraction form
    83,220.48/124,830.72 = 43,796.16/x
  3. Step 3: Cross multiply
    83,220.48x = 124,830.72 × 43,796.16
  4. Step 4: Simplify right side
    83,220.48x = 5,467,106,186.04
  5. Step 5: Solve for x
    x = 5,467,106,186.04/83,220.48
  6. Step 6: Final answer
    x = 65,694.24

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