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Finding the Fourth Proportional to 68,848.88, 103,446.36 and 43,900.40

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Solution

The fourth proportional to 68,848.88, 103,446.36 and 43,900.40 is: 65,960.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,848.88 : 103,446.36 = 43,900.40 : x
  2. Step 2: Convert to fraction form
    68,848.88/103,446.36 = 43,900.40/x
  3. Step 3: Cross multiply
    68,848.88x = 103,446.36 × 43,900.40
  4. Step 4: Simplify right side
    68,848.88x = 4,541,336,582.54
  5. Step 5: Solve for x
    x = 4,541,336,582.54/68,848.88
  6. Step 6: Final answer
    x = 65,960.94

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