Home / 78,114.24-107,797.68-42,304.56

Finding the Fourth Proportional to 78,114.24, 107,797.68 and 42,304.56

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Solution

The fourth proportional to 78,114.24, 107,797.68 and 42,304.56 is: 58,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,114.24 : 107,797.68 = 42,304.56 : x
  2. Step 2: Convert to fraction form
    78,114.24/107,797.68 = 42,304.56/x
  3. Step 3: Cross multiply
    78,114.24x = 107,797.68 × 42,304.56
  4. Step 4: Simplify right side
    78,114.24x = 4,560,333,421.42
  5. Step 5: Solve for x
    x = 4,560,333,421.42/78,114.24
  6. Step 6: Final answer
    x = 58,380.31

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