Home / 83,843.26-115,669.55-47,537.05

Finding the Fourth Proportional to 83,843.26, 115,669.55 and 47,537.05

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Solution

The fourth proportional to 83,843.26, 115,669.55 and 47,537.05 is: 65,581.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,843.26 : 115,669.55 = 47,537.05 : x
  2. Step 2: Convert to fraction form
    83,843.26/115,669.55 = 47,537.05/x
  3. Step 3: Cross multiply
    83,843.26x = 115,669.55 × 47,537.05
  4. Step 4: Simplify right side
    83,843.26x = 5,498,589,181.83
  5. Step 5: Solve for x
    x = 5,498,589,181.83/83,843.26
  6. Step 6: Final answer
    x = 65,581.77

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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.