Home / 80,515.24-111,108.89-44,704.33

Finding the Fourth Proportional to 80,515.24, 111,108.89 and 44,704.33

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Solution

The fourth proportional to 80,515.24, 111,108.89 and 44,704.33 is: 61,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,515.24 : 111,108.89 = 44,704.33 : x
  2. Step 2: Convert to fraction form
    80,515.24/111,108.89 = 44,704.33/x
  3. Step 3: Cross multiply
    80,515.24x = 111,108.89 × 44,704.33
  4. Step 4: Simplify right side
    80,515.24x = 4,967,048,318.48
  5. Step 5: Solve for x
    x = 4,967,048,318.48/80,515.24
  6. Step 6: Final answer
    x = 61,690.79

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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.