Home / 55,286.82-76,297.77-31,414.50

Finding the Fourth Proportional to 55,286.82, 76,297.77 and 31,414.50

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Solution

The fourth proportional to 55,286.82, 76,297.77 and 31,414.50 is: 43,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,286.82 : 76,297.77 = 31,414.50 : x
  2. Step 2: Convert to fraction form
    55,286.82/76,297.77 = 31,414.50/x
  3. Step 3: Cross multiply
    55,286.82x = 76,297.77 × 31,414.50
  4. Step 4: Simplify right side
    55,286.82x = 2,396,856,295.67
  5. Step 5: Solve for x
    x = 2,396,856,295.67/55,286.82
  6. Step 6: Final answer
    x = 43,353.12

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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.