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Finding the Fourth Proportional to 73,021.18, 109,736.24 and 43,443.58

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Solution

The fourth proportional to 73,021.18, 109,736.24 and 43,443.58 is: 65,287.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,021.18 : 109,736.24 = 43,443.58 : x
  2. Step 2: Convert to fraction form
    73,021.18/109,736.24 = 43,443.58/x
  3. Step 3: Cross multiply
    73,021.18x = 109,736.24 × 43,443.58
  4. Step 4: Simplify right side
    73,021.18x = 4,767,335,121.34
  5. Step 5: Solve for x
    x = 4,767,335,121.34/73,021.18
  6. Step 6: Final answer
    x = 65,287.02

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