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Finding the Fourth Proportional to 73,107.76, 100,888.86 and 39,573.76

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Solution

The fourth proportional to 73,107.76, 100,888.86 and 39,573.76 is: 54,611.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,107.76 : 100,888.86 = 39,573.76 : x
  2. Step 2: Convert to fraction form
    73,107.76/100,888.86 = 39,573.76/x
  3. Step 3: Cross multiply
    73,107.76x = 100,888.86 × 39,573.76
  4. Step 4: Simplify right side
    73,107.76x = 3,992,551,532.31
  5. Step 5: Solve for x
    x = 3,992,551,532.31/73,107.76
  6. Step 6: Final answer
    x = 54,611.87

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