Home / 83,712.33-115,523.97-45,472.23

Finding the Fourth Proportional to 83,712.33, 115,523.97 and 45,472.23

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Solution

The fourth proportional to 83,712.33, 115,523.97 and 45,472.23 is: 62,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,712.33 : 115,523.97 = 45,472.23 : x
  2. Step 2: Convert to fraction form
    83,712.33/115,523.97 = 45,472.23/x
  3. Step 3: Cross multiply
    83,712.33x = 115,523.97 × 45,472.23
  4. Step 4: Simplify right side
    83,712.33x = 5,253,132,534.35
  5. Step 5: Solve for x
    x = 5,253,132,534.35/83,712.33
  6. Step 6: Final answer
    x = 62,752.20

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1.5x scale

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.