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Finding the Fourth Proportional to 73,140.24, 100,933.92 and 39,606.24

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Solution

The fourth proportional to 73,140.24, 100,933.92 and 39,606.24 is: 54,656.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,140.24 : 100,933.92 = 39,606.24 : x
  2. Step 2: Convert to fraction form
    73,140.24/100,933.92 = 39,606.24/x
  3. Step 3: Cross multiply
    73,140.24x = 100,933.92 × 39,606.24
  4. Step 4: Simplify right side
    73,140.24x = 3,997,613,059.66
  5. Step 5: Solve for x
    x = 3,997,613,059.66/73,140.24
  6. Step 6: Final answer
    x = 54,656.82

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