Home / 83,722.43-115,536.49-45,481.65

Finding the Fourth Proportional to 83,722.43, 115,536.49 and 45,481.65

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Solution

The fourth proportional to 83,722.43, 115,536.49 and 45,481.65 is: 62,764.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,722.43 : 115,536.49 = 45,481.65 : x
  2. Step 2: Convert to fraction form
    83,722.43/115,536.49 = 45,481.65/x
  3. Step 3: Cross multiply
    83,722.43x = 115,536.49 × 45,481.65
  4. Step 4: Simplify right side
    83,722.43x = 5,254,789,395.32
  5. Step 5: Solve for x
    x = 5,254,789,395.32/83,722.43
  6. Step 6: Final answer
    x = 62,764.42

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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.