Home / 83,579.96-115,342.24-45,854.04

Finding the Fourth Proportional to 83,579.96, 115,342.24 and 45,854.04

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Solution

The fourth proportional to 83,579.96, 115,342.24 and 45,854.04 is: 63,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,579.96 : 115,342.24 = 45,854.04 : x
  2. Step 2: Convert to fraction form
    83,579.96/115,342.24 = 45,854.04/x
  3. Step 3: Cross multiply
    83,579.96x = 115,342.24 × 45,854.04
  4. Step 4: Simplify right side
    83,579.96x = 5,288,907,686.65
  5. Step 5: Solve for x
    x = 5,288,907,686.65/83,579.96
  6. Step 6: Final answer
    x = 63,279.61

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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.