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Finding the Fourth Proportional to 90,638.56, 135,818.11 and 48,524.23

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Solution

The fourth proportional to 90,638.56, 135,818.11 and 48,524.23 is: 72,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,638.56 : 135,818.11 = 48,524.23 : x
  2. Step 2: Convert to fraction form
    90,638.56/135,818.11 = 48,524.23/x
  3. Step 3: Cross multiply
    90,638.56x = 135,818.11 × 48,524.23
  4. Step 4: Simplify right side
    90,638.56x = 6,590,469,207.81
  5. Step 5: Solve for x
    x = 6,590,469,207.81/90,638.56
  6. Step 6: Final answer
    x = 72,711.54

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