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Finding the Fourth Proportional to 70,219.44, 105,279.96 and 25,840.43

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Solution

The fourth proportional to 70,219.44, 105,279.96 and 25,840.43 is: 38,742.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,219.44 : 105,279.96 = 25,840.43 : x
  2. Step 2: Convert to fraction form
    70,219.44/105,279.96 = 25,840.43/x
  3. Step 3: Cross multiply
    70,219.44x = 105,279.96 × 25,840.43
  4. Step 4: Simplify right side
    70,219.44x = 2,720,479,436.78
  5. Step 5: Solve for x
    x = 2,720,479,436.78/70,219.44
  6. Step 6: Final answer
    x = 38,742.54

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