Home / 86,207.56-129,311.37-27,047.86

Finding the Fourth Proportional to 86,207.56, 129,311.37 and 27,047.86

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Solution

The fourth proportional to 86,207.56, 129,311.37 and 27,047.86 is: 40,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,207.56 : 129,311.37 = 27,047.86 : x
  2. Step 2: Convert to fraction form
    86,207.56/129,311.37 = 27,047.86/x
  3. Step 3: Cross multiply
    86,207.56x = 129,311.37 × 27,047.86
  4. Step 4: Simplify right side
    86,207.56x = 3,497,595,508.89
  5. Step 5: Solve for x
    x = 3,497,595,508.89/86,207.56
  6. Step 6: Final answer
    x = 40,571.80

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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.