Home / 80,517.86-111,119.67-46,532.57

Finding the Fourth Proportional to 80,517.86, 111,119.67 and 46,532.57

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Solution

The fourth proportional to 80,517.86, 111,119.67 and 46,532.57 is: 64,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,517.86 : 111,119.67 = 46,532.57 : x
  2. Step 2: Convert to fraction form
    80,517.86/111,119.67 = 46,532.57/x
  3. Step 3: Cross multiply
    80,517.86x = 111,119.67 × 46,532.57
  4. Step 4: Simplify right side
    80,517.86x = 5,170,683,267.05
  5. Step 5: Solve for x
    x = 5,170,683,267.05/80,517.86
  6. Step 6: Final answer
    x = 64,217.85

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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.