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Finding the Fourth Proportional to 85,331.44, 127,987.17 and 53,647.96

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Solution

The fourth proportional to 85,331.44, 127,987.17 and 53,647.96 is: 80,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,331.44 : 127,987.17 = 53,647.96 : x
  2. Step 2: Convert to fraction form
    85,331.44/127,987.17 = 53,647.96/x
  3. Step 3: Cross multiply
    85,331.44x = 127,987.17 × 53,647.96
  4. Step 4: Simplify right side
    85,331.44x = 6,866,251,114.04
  5. Step 5: Solve for x
    x = 6,866,251,114.04/85,331.44
  6. Step 6: Final answer
    x = 80,465.66

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