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Finding the Fourth Proportional to 77,381.50, 106,805.45 and 47,183.45

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Solution

The fourth proportional to 77,381.50, 106,805.45 and 47,183.45 is: 65,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,381.50 : 106,805.45 = 47,183.45 : x
  2. Step 2: Convert to fraction form
    77,381.50/106,805.45 = 47,183.45/x
  3. Step 3: Cross multiply
    77,381.50x = 106,805.45 × 47,183.45
  4. Step 4: Simplify right side
    77,381.50x = 5,039,449,609.80
  5. Step 5: Solve for x
    x = 5,039,449,609.80/77,381.50
  6. Step 6: Final answer
    x = 65,124.73

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