Home / 83,676.46-115,375.96-62,418.82

Finding the Fourth Proportional to 83,676.46, 115,375.96 and 62,418.82

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Solution

The fourth proportional to 83,676.46, 115,375.96 and 62,418.82 is: 86,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,676.46 : 115,375.96 = 62,418.82 : x
  2. Step 2: Convert to fraction form
    83,676.46/115,375.96 = 62,418.82/x
  3. Step 3: Cross multiply
    83,676.46x = 115,375.96 × 62,418.82
  4. Step 4: Simplify right side
    83,676.46x = 7,201,630,967.47
  5. Step 5: Solve for x
    x = 7,201,630,967.47/83,676.46
  6. Step 6: Final answer
    x = 86,065.20

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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.