Home / 83,279.27-124,718.74-47,632.56

Finding the Fourth Proportional to 83,279.27, 124,718.74 and 47,632.56

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Solution

The fourth proportional to 83,279.27, 124,718.74 and 47,632.56 is: 71,334.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,279.27 : 124,718.74 = 47,632.56 : x
  2. Step 2: Convert to fraction form
    83,279.27/124,718.74 = 47,632.56/x
  3. Step 3: Cross multiply
    83,279.27x = 124,718.74 × 47,632.56
  4. Step 4: Simplify right side
    83,279.27x = 5,940,672,279.40
  5. Step 5: Solve for x
    x = 5,940,672,279.40/83,279.27
  6. Step 6: Final answer
    x = 71,334.34

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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.