Home / 66,422.06-91,660.60-36,207.97

Finding the Fourth Proportional to 66,422.06, 91,660.60 and 36,207.97

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Solution

The fourth proportional to 66,422.06, 91,660.60 and 36,207.97 is: 49,965.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,422.06 : 91,660.60 = 36,207.97 : x
  2. Step 2: Convert to fraction form
    66,422.06/91,660.60 = 36,207.97/x
  3. Step 3: Cross multiply
    66,422.06x = 91,660.60 × 36,207.97
  4. Step 4: Simplify right side
    66,422.06x = 3,318,843,796.68
  5. Step 5: Solve for x
    x = 3,318,843,796.68/66,422.06
  6. Step 6: Final answer
    x = 49,965.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.