Home / 91,181.22-136,648.29-41,198.97

Finding the Fourth Proportional to 91,181.22, 136,648.29 and 41,198.97

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Solution

The fourth proportional to 91,181.22, 136,648.29 and 41,198.97 is: 61,742.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,181.22 : 136,648.29 = 41,198.97 : x
  2. Step 2: Convert to fraction form
    91,181.22/136,648.29 = 41,198.97/x
  3. Step 3: Cross multiply
    91,181.22x = 136,648.29 × 41,198.97
  4. Step 4: Simplify right side
    91,181.22x = 5,629,768,800.26
  5. Step 5: Solve for x
    x = 5,629,768,800.26/91,181.22
  6. Step 6: Final answer
    x = 61,742.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.