Home / 50,101.14-75,149.37-20,511.66

Finding the Fourth Proportional to 50,101.14, 75,149.37 and 20,511.66

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Solution

The fourth proportional to 50,101.14, 75,149.37 and 20,511.66 is: 30,766.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,101.14 : 75,149.37 = 20,511.66 : x
  2. Step 2: Convert to fraction form
    50,101.14/75,149.37 = 20,511.66/x
  3. Step 3: Cross multiply
    50,101.14x = 75,149.37 × 20,511.66
  4. Step 4: Simplify right side
    50,101.14x = 1,541,438,326.65
  5. Step 5: Solve for x
    x = 1,541,438,326.65/50,101.14
  6. Step 6: Final answer
    x = 30,766.53

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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.