Home / 80,198.11-110,669.43-45,744.19

Finding the Fourth Proportional to 80,198.11, 110,669.43 and 45,744.19

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Solution

The fourth proportional to 80,198.11, 110,669.43 and 45,744.19 is: 63,124.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,198.11 : 110,669.43 = 45,744.19 : x
  2. Step 2: Convert to fraction form
    80,198.11/110,669.43 = 45,744.19/x
  3. Step 3: Cross multiply
    80,198.11x = 110,669.43 × 45,744.19
  4. Step 4: Simplify right side
    80,198.11x = 5,062,483,433.11
  5. Step 5: Solve for x
    x = 5,062,483,433.11/80,198.11
  6. Step 6: Final answer
    x = 63,124.72

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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.