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Finding the Fourth Proportional to 74,288.72, 111,287.28 and 43,058.36

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Solution

The fourth proportional to 74,288.72, 111,287.28 and 43,058.36 is: 64,503.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,288.72 : 111,287.28 = 43,058.36 : x
  2. Step 2: Convert to fraction form
    74,288.72/111,287.28 = 43,058.36/x
  3. Step 3: Cross multiply
    74,288.72x = 111,287.28 × 43,058.36
  4. Step 4: Simplify right side
    74,288.72x = 4,791,847,765.66
  5. Step 5: Solve for x
    x = 4,791,847,765.66/74,288.72
  6. Step 6: Final answer
    x = 64,503.03

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