Home / 80,452.04-111,021.18-48,615.44

Finding the Fourth Proportional to 80,452.04, 111,021.18 and 48,615.44

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Solution

The fourth proportional to 80,452.04, 111,021.18 and 48,615.44 is: 67,087.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,452.04 : 111,021.18 = 48,615.44 : x
  2. Step 2: Convert to fraction form
    80,452.04/111,021.18 = 48,615.44/x
  3. Step 3: Cross multiply
    80,452.04x = 111,021.18 × 48,615.44
  4. Step 4: Simplify right side
    80,452.04x = 5,397,343,515.02
  5. Step 5: Solve for x
    x = 5,397,343,515.02/80,452.04
  6. Step 6: Final answer
    x = 67,087.71

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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.