Home / 80,690.82-111,351.72-44,880.06

Finding the Fourth Proportional to 80,690.82, 111,351.72 and 44,880.06

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Solution

The fourth proportional to 80,690.82, 111,351.72 and 44,880.06 is: 61,933.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,690.82 : 111,351.72 = 44,880.06 : x
  2. Step 2: Convert to fraction form
    80,690.82/111,351.72 = 44,880.06/x
  3. Step 3: Cross multiply
    80,690.82x = 111,351.72 × 44,880.06
  4. Step 4: Simplify right side
    80,690.82x = 4,997,471,874.70
  5. Step 5: Solve for x
    x = 4,997,471,874.70/80,690.82
  6. Step 6: Final answer
    x = 61,933.59

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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.