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Finding the Fourth Proportional to 47,713.90, 71,570.85 and 43,912.30

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Solution

The fourth proportional to 47,713.90, 71,570.85 and 43,912.30 is: 65,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,713.90 : 71,570.85 = 43,912.30 : x
  2. Step 2: Convert to fraction form
    47,713.90/71,570.85 = 43,912.30/x
  3. Step 3: Cross multiply
    47,713.90x = 71,570.85 × 43,912.30
  4. Step 4: Simplify right side
    47,713.90x = 3,142,840,636.46
  5. Step 5: Solve for x
    x = 3,142,840,636.46/47,713.90
  6. Step 6: Final answer
    x = 65,868.45

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