Home / 86,372.46-129,540.33-36,433.26

Finding the Fourth Proportional to 86,372.46, 129,540.33 and 36,433.26

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Solution

The fourth proportional to 86,372.46, 129,540.33 and 36,433.26 is: 54,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,372.46 : 129,540.33 = 36,433.26 : x
  2. Step 2: Convert to fraction form
    86,372.46/129,540.33 = 36,433.26/x
  3. Step 3: Cross multiply
    86,372.46x = 129,540.33 × 36,433.26
  4. Step 4: Simplify right side
    86,372.46x = 4,719,576,523.38
  5. Step 5: Solve for x
    x = 4,719,576,523.38/86,372.46
  6. Step 6: Final answer
    x = 54,642.15

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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.