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Finding the Fourth Proportional to 82,379.76, 123,579.36 and 61,734.48

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Solution

The fourth proportional to 82,379.76, 123,579.36 and 61,734.48 is: 92,609.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,379.76 : 123,579.36 = 61,734.48 : x
  2. Step 2: Convert to fraction form
    82,379.76/123,579.36 = 61,734.48/x
  3. Step 3: Cross multiply
    82,379.76x = 123,579.36 × 61,734.48
  4. Step 4: Simplify right side
    82,379.76x = 7,629,107,528.33
  5. Step 5: Solve for x
    x = 7,629,107,528.33/82,379.76
  6. Step 6: Final answer
    x = 92,609.00

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