Home / 83,221.56-114,867.18-51,372.23

Finding the Fourth Proportional to 83,221.56, 114,867.18 and 51,372.23

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Solution

The fourth proportional to 83,221.56, 114,867.18 and 51,372.23 is: 70,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,221.56 : 114,867.18 = 51,372.23 : x
  2. Step 2: Convert to fraction form
    83,221.56/114,867.18 = 51,372.23/x
  3. Step 3: Cross multiply
    83,221.56x = 114,867.18 × 51,372.23
  4. Step 4: Simplify right side
    83,221.56x = 5,900,982,616.08
  5. Step 5: Solve for x
    x = 5,900,982,616.08/83,221.56
  6. Step 6: Final answer
    x = 70,906.90

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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.