Home / 55,282.92-76,290.26-31,408.44

Finding the Fourth Proportional to 55,282.92, 76,290.26 and 31,408.44

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Solution

The fourth proportional to 55,282.92, 76,290.26 and 31,408.44 is: 43,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,282.92 : 76,290.26 = 31,408.44 : x
  2. Step 2: Convert to fraction form
    55,282.92/76,290.26 = 31,408.44/x
  3. Step 3: Cross multiply
    55,282.92x = 76,290.26 × 31,408.44
  4. Step 4: Simplify right side
    55,282.92x = 2,396,158,053.79
  5. Step 5: Solve for x
    x = 2,396,158,053.79/55,282.92
  6. Step 6: Final answer
    x = 43,343.55

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1.5x scale

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.