Home / 80,213.87-120,296.50-33,455.81

Finding the Fourth Proportional to 80,213.87, 120,296.50 and 33,455.81

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Solution

The fourth proportional to 80,213.87, 120,296.50 and 33,455.81 is: 50,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,213.87 : 120,296.50 = 33,455.81 : x
  2. Step 2: Convert to fraction form
    80,213.87/120,296.50 = 33,455.81/x
  3. Step 3: Cross multiply
    80,213.87x = 120,296.50 × 33,455.81
  4. Step 4: Simplify right side
    80,213.87x = 4,024,617,064.77
  5. Step 5: Solve for x
    x = 4,024,617,064.77/80,213.87
  6. Step 6: Final answer
    x = 50,173.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.