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Finding the Fourth Proportional to 89,635.64, 123,696.18 and 49,348.56

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Solution

The fourth proportional to 89,635.64, 123,696.18 and 49,348.56 is: 68,100.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,635.64 : 123,696.18 = 49,348.56 : x
  2. Step 2: Convert to fraction form
    89,635.64/123,696.18 = 49,348.56/x
  3. Step 3: Cross multiply
    89,635.64x = 123,696.18 × 49,348.56
  4. Step 4: Simplify right side
    89,635.64x = 6,104,228,824.36
  5. Step 5: Solve for x
    x = 6,104,228,824.36/89,635.64
  6. Step 6: Final answer
    x = 68,100.47

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