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Finding the Fourth Proportional to 89,099.28, 122,960.70 and 48,816.54

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Solution

The fourth proportional to 89,099.28, 122,960.70 and 48,816.54 is: 67,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,099.28 : 122,960.70 = 48,816.54 : x
  2. Step 2: Convert to fraction form
    89,099.28/122,960.70 = 48,816.54/x
  3. Step 3: Cross multiply
    89,099.28x = 122,960.70 × 48,816.54
  4. Step 4: Simplify right side
    89,099.28x = 6,002,515,929.98
  5. Step 5: Solve for x
    x = 6,002,515,929.98/89,099.28
  6. Step 6: Final answer
    x = 67,368.85

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