Home / 84,614.20-126,921.30-34,677.70

Finding the Fourth Proportional to 84,614.20, 126,921.30 and 34,677.70

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Solution

The fourth proportional to 84,614.20, 126,921.30 and 34,677.70 is: 52,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,614.20 : 126,921.30 = 34,677.70 : x
  2. Step 2: Convert to fraction form
    84,614.20/126,921.30 = 34,677.70/x
  3. Step 3: Cross multiply
    84,614.20x = 126,921.30 × 34,677.70
  4. Step 4: Simplify right side
    84,614.20x = 4,401,338,765.01
  5. Step 5: Solve for x
    x = 4,401,338,765.01/84,614.20
  6. Step 6: Final answer
    x = 52,016.55

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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.