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Finding the Fourth Proportional to 89,718.50, 123,813.14 and 49,432.01

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Solution

The fourth proportional to 89,718.50, 123,813.14 and 49,432.01 is: 68,217.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,718.50 : 123,813.14 = 49,432.01 : x
  2. Step 2: Convert to fraction form
    89,718.50/123,813.14 = 49,432.01/x
  3. Step 3: Cross multiply
    89,718.50x = 123,813.14 × 49,432.01
  4. Step 4: Simplify right side
    89,718.50x = 6,120,331,508.39
  5. Step 5: Solve for x
    x = 6,120,331,508.39/89,718.50
  6. Step 6: Final answer
    x = 68,217.05

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