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Finding the Fourth Proportional to 99,335.76, 137,083.34 and 54,623.76

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Solution

The fourth proportional to 99,335.76, 137,083.34 and 54,623.76 is: 75,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,335.76 : 137,083.34 = 54,623.76 : x
  2. Step 2: Convert to fraction form
    99,335.76/137,083.34 = 54,623.76/x
  3. Step 3: Cross multiply
    99,335.76x = 137,083.34 × 54,623.76
  4. Step 4: Simplify right side
    99,335.76x = 7,488,007,464.16
  5. Step 5: Solve for x
    x = 7,488,007,464.16/99,335.76
  6. Step 6: Final answer
    x = 75,380.78

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