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Finding the Fourth Proportional to 89,081.76, 122,934.42 and 48,794.88

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Solution

The fourth proportional to 89,081.76, 122,934.42 and 48,794.88 is: 67,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,081.76 : 122,934.42 = 48,794.88 : x
  2. Step 2: Convert to fraction form
    89,081.76/122,934.42 = 48,794.88/x
  3. Step 3: Cross multiply
    89,081.76x = 122,934.42 × 48,794.88
  4. Step 4: Simplify right side
    89,081.76x = 5,998,570,271.77
  5. Step 5: Solve for x
    x = 5,998,570,271.77/89,081.76
  6. Step 6: Final answer
    x = 67,337.81

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