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Finding the Fourth Proportional to 78,871.31, 108,840.93 and 44,879.03

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Solution

The fourth proportional to 78,871.31, 108,840.93 and 44,879.03 is: 61,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,871.31 : 108,840.93 = 44,879.03 : x
  2. Step 2: Convert to fraction form
    78,871.31/108,840.93 = 44,879.03/x
  3. Step 3: Cross multiply
    78,871.31x = 108,840.93 × 44,879.03
  4. Step 4: Simplify right side
    78,871.31x = 4,884,675,362.70
  5. Step 5: Solve for x
    x = 4,884,675,362.70/78,871.31
  6. Step 6: Final answer
    x = 61,932.22

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