Home / 83,747.13-115,571.77-45,506.68

Finding the Fourth Proportional to 83,747.13, 115,571.77 and 45,506.68

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Solution

The fourth proportional to 83,747.13, 115,571.77 and 45,506.68 is: 62,799.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,747.13 : 115,571.77 = 45,506.68 : x
  2. Step 2: Convert to fraction form
    83,747.13/115,571.77 = 45,506.68/x
  3. Step 3: Cross multiply
    83,747.13x = 115,571.77 × 45,506.68
  4. Step 4: Simplify right side
    83,747.13x = 5,259,287,279.72
  5. Step 5: Solve for x
    x = 5,259,287,279.72/83,747.13
  6. Step 6: Final answer
    x = 62,799.61

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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.