Home / 86,246.55-129,375.30-27,084.56

Finding the Fourth Proportional to 86,246.55, 129,375.30 and 27,084.56

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Solution

The fourth proportional to 86,246.55, 129,375.30 and 27,084.56 is: 40,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,246.55 : 129,375.30 = 27,084.56 : x
  2. Step 2: Convert to fraction form
    86,246.55/129,375.30 = 27,084.56/x
  3. Step 3: Cross multiply
    86,246.55x = 129,375.30 × 27,084.56
  4. Step 4: Simplify right side
    86,246.55x = 3,504,072,530.06
  5. Step 5: Solve for x
    x = 3,504,072,530.06/86,246.55
  6. Step 6: Final answer
    x = 40,628.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.