Home / 50,129.44-69,175.99-28,618.33

Finding the Fourth Proportional to 50,129.44, 69,175.99 and 28,618.33

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Solution

The fourth proportional to 50,129.44, 69,175.99 and 28,618.33 is: 39,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,129.44 : 69,175.99 = 28,618.33 : x
  2. Step 2: Convert to fraction form
    50,129.44/69,175.99 = 28,618.33/x
  3. Step 3: Cross multiply
    50,129.44x = 69,175.99 × 28,618.33
  4. Step 4: Simplify right side
    50,129.44x = 1,979,701,309.90
  5. Step 5: Solve for x
    x = 1,979,701,309.90/50,129.44
  6. Step 6: Final answer
    x = 39,491.79

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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.