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Finding the Fourth Proportional to 89,953.75, 124,020.80 and 73,761.43

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Solution

The fourth proportional to 89,953.75, 124,020.80 and 73,761.43 is: 101,696.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,953.75 : 124,020.80 = 73,761.43 : x
  2. Step 2: Convert to fraction form
    89,953.75/124,020.80 = 73,761.43/x
  3. Step 3: Cross multiply
    89,953.75x = 124,020.80 × 73,761.43
  4. Step 4: Simplify right side
    89,953.75x = 9,147,951,188.94
  5. Step 5: Solve for x
    x = 9,147,951,188.94/89,953.75
  6. Step 6: Final answer
    x = 101,696.16

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