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Finding the Fourth Proportional to 82,870.85, 124,414.68 and 49,198.34

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Solution

The fourth proportional to 82,870.85, 124,414.68 and 49,198.34 is: 73,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,870.85 : 124,414.68 = 49,198.34 : x
  2. Step 2: Convert to fraction form
    82,870.85/124,414.68 = 49,198.34/x
  3. Step 3: Cross multiply
    82,870.85x = 124,414.68 × 49,198.34
  4. Step 4: Simplify right side
    82,870.85x = 6,120,995,727.63
  5. Step 5: Solve for x
    x = 6,120,995,727.63/82,870.85
  6. Step 6: Final answer
    x = 73,861.87

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