Home / 50,175.42-69,234.21-28,950.63

Finding the Fourth Proportional to 50,175.42, 69,234.21 and 28,950.63

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Solution

The fourth proportional to 50,175.42, 69,234.21 and 28,950.63 is: 39,947.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,175.42 : 69,234.21 = 28,950.63 : x
  2. Step 2: Convert to fraction form
    50,175.42/69,234.21 = 28,950.63/x
  3. Step 3: Cross multiply
    50,175.42x = 69,234.21 × 28,950.63
  4. Step 4: Simplify right side
    50,175.42x = 2,004,373,997.05
  5. Step 5: Solve for x
    x = 2,004,373,997.05/50,175.42
  6. Step 6: Final answer
    x = 39,947.33

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Half scale
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Double scale
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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.