Home / 80,786.55-111,480.21-44,975.64

Finding the Fourth Proportional to 80,786.55, 111,480.21 and 44,975.64

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Solution

The fourth proportional to 80,786.55, 111,480.21 and 44,975.64 is: 62,063.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,786.55 : 111,480.21 = 44,975.64 : x
  2. Step 2: Convert to fraction form
    80,786.55/111,480.21 = 44,975.64/x
  3. Step 3: Cross multiply
    80,786.55x = 111,480.21 × 44,975.64
  4. Step 4: Simplify right side
    80,786.55x = 5,013,893,792.08
  5. Step 5: Solve for x
    x = 5,013,893,792.08/80,786.55
  6. Step 6: Final answer
    x = 62,063.47

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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.