Home / 50,099.88-69,137.19-28,589.07

Finding the Fourth Proportional to 50,099.88, 69,137.19 and 28,589.07

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Solution

The fourth proportional to 50,099.88, 69,137.19 and 28,589.07 is: 39,452.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,099.88 : 69,137.19 = 28,589.07 : x
  2. Step 2: Convert to fraction form
    50,099.88/69,137.19 = 28,589.07/x
  3. Step 3: Cross multiply
    50,099.88x = 69,137.19 × 28,589.07
  4. Step 4: Simplify right side
    50,099.88x = 1,976,567,964.51
  5. Step 5: Solve for x
    x = 1,976,567,964.51/50,099.88
  6. Step 6: Final answer
    x = 39,452.55

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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.