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Finding the Fourth Proportional to 73,255.50, 101,092.64 and 39,721.50

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Solution

The fourth proportional to 73,255.50, 101,092.64 and 39,721.50 is: 54,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,255.50 : 101,092.64 = 39,721.50 : x
  2. Step 2: Convert to fraction form
    73,255.50/101,092.64 = 39,721.50/x
  3. Step 3: Cross multiply
    73,255.50x = 101,092.64 × 39,721.50
  4. Step 4: Simplify right side
    73,255.50x = 4,015,551,101.15
  5. Step 5: Solve for x
    x = 4,015,551,101.15/73,255.50
  6. Step 6: Final answer
    x = 54,815.69

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