Home / 55,198.82-76,170.03-31,325.49

Finding the Fourth Proportional to 55,198.82, 76,170.03 and 31,325.49

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Solution

The fourth proportional to 55,198.82, 76,170.03 and 31,325.49 is: 43,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,198.82 : 76,170.03 = 31,325.49 : x
  2. Step 2: Convert to fraction form
    55,198.82/76,170.03 = 31,325.49/x
  3. Step 3: Cross multiply
    55,198.82x = 76,170.03 × 31,325.49
  4. Step 4: Simplify right side
    55,198.82x = 2,386,063,513.06
  5. Step 5: Solve for x
    x = 2,386,063,513.06/55,198.82
  6. Step 6: Final answer
    x = 43,226.71

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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.