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Finding the Fourth Proportional to 83,427.44, 115,138.13 and 47,622.84

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Solution

The fourth proportional to 83,427.44, 115,138.13 and 47,622.84 is: 65,724.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,427.44 : 115,138.13 = 47,622.84 : x
  2. Step 2: Convert to fraction form
    83,427.44/115,138.13 = 47,622.84/x
  3. Step 3: Cross multiply
    83,427.44x = 115,138.13 × 47,622.84
  4. Step 4: Simplify right side
    83,427.44x = 5,483,203,929.08
  5. Step 5: Solve for x
    x = 5,483,203,929.08/83,427.44
  6. Step 6: Final answer
    x = 65,724.23

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