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Finding the Fourth Proportional to 68,772.16, 103,091.28 and 35,529.76

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Solution

The fourth proportional to 68,772.16, 103,091.28 and 35,529.76 is: 53,260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,772.16 : 103,091.28 = 35,529.76 : x
  2. Step 2: Convert to fraction form
    68,772.16/103,091.28 = 35,529.76/x
  3. Step 3: Cross multiply
    68,772.16x = 103,091.28 × 35,529.76
  4. Step 4: Simplify right side
    68,772.16x = 3,662,808,436.49
  5. Step 5: Solve for x
    x = 3,662,808,436.49/68,772.16
  6. Step 6: Final answer
    x = 53,260.05

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