Home / 45,198.12-67,771.77-18,536.77

Finding the Fourth Proportional to 45,198.12, 67,771.77 and 18,536.77

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Solution

The fourth proportional to 45,198.12, 67,771.77 and 18,536.77 is: 27,794.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,198.12 : 67,771.77 = 18,536.77 : x
  2. Step 2: Convert to fraction form
    45,198.12/67,771.77 = 18,536.77/x
  3. Step 3: Cross multiply
    45,198.12x = 67,771.77 × 18,536.77
  4. Step 4: Simplify right side
    45,198.12x = 1,256,269,712.98
  5. Step 5: Solve for x
    x = 1,256,269,712.98/45,198.12
  6. Step 6: Final answer
    x = 27,794.73

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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.