Home / 50,860.91-70,185.25-28,198.58

Finding the Fourth Proportional to 50,860.91, 70,185.25 and 28,198.58

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Solution

The fourth proportional to 50,860.91, 70,185.25 and 28,198.58 is: 38,912.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,860.91 : 70,185.25 = 28,198.58 : x
  2. Step 2: Convert to fraction form
    50,860.91/70,185.25 = 28,198.58/x
  3. Step 3: Cross multiply
    50,860.91x = 70,185.25 × 28,198.58
  4. Step 4: Simplify right side
    50,860.91x = 1,979,124,491.91
  5. Step 5: Solve for x
    x = 1,979,124,491.91/50,860.91
  6. Step 6: Final answer
    x = 38,912.48

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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.