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Finding the Fourth Proportional to 97,879.46, 135,083.12 and 54,866.24

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Solution

The fourth proportional to 97,879.46, 135,083.12 and 54,866.24 is: 75,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,879.46 : 135,083.12 = 54,866.24 : x
  2. Step 2: Convert to fraction form
    97,879.46/135,083.12 = 54,866.24/x
  3. Step 3: Cross multiply
    97,879.46x = 135,083.12 × 54,866.24
  4. Step 4: Simplify right side
    97,879.46x = 7,411,501,932.12
  5. Step 5: Solve for x
    x = 7,411,501,932.12/97,879.46
  6. Step 6: Final answer
    x = 75,720.71

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