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Finding the Fourth Proportional to 77,310.70, 115,964.49 and 24,720.16

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Solution

The fourth proportional to 77,310.70, 115,964.49 and 24,720.16 is: 37,079.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,310.70 : 115,964.49 = 24,720.16 : x
  2. Step 2: Convert to fraction form
    77,310.70/115,964.49 = 24,720.16/x
  3. Step 3: Cross multiply
    77,310.70x = 115,964.49 × 24,720.16
  4. Step 4: Simplify right side
    77,310.70x = 2,866,660,747.12
  5. Step 5: Solve for x
    x = 2,866,660,747.12/77,310.70
  6. Step 6: Final answer
    x = 37,079.74

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