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Finding the Fourth Proportional to 89,231.88, 123,143.44 and 48,947.34

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Solution

The fourth proportional to 89,231.88, 123,143.44 and 48,947.34 is: 67,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,231.88 : 123,143.44 = 48,947.34 : x
  2. Step 2: Convert to fraction form
    89,231.88/123,143.44 = 48,947.34/x
  3. Step 3: Cross multiply
    89,231.88x = 123,143.44 × 48,947.34
  4. Step 4: Simplify right side
    89,231.88x = 6,027,543,826.45
  5. Step 5: Solve for x
    x = 6,027,543,826.45/89,231.88
  6. Step 6: Final answer
    x = 67,549.22

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