Home / 80,737.92-111,431.68-47,197.44

Finding the Fourth Proportional to 80,737.92, 111,431.68 and 47,197.44

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Solution

The fourth proportional to 80,737.92, 111,431.68 and 47,197.44 is: 65,140.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,737.92 : 111,431.68 = 47,197.44 : x
  2. Step 2: Convert to fraction form
    80,737.92/111,431.68 = 47,197.44/x
  3. Step 3: Cross multiply
    80,737.92x = 111,431.68 × 47,197.44
  4. Step 4: Simplify right side
    80,737.92x = 5,259,290,030.90
  5. Step 5: Solve for x
    x = 5,259,290,030.90/80,737.92
  6. Step 6: Final answer
    x = 65,140.27

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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.