Home / 50,866.11-70,195.84-28,205.39

Finding the Fourth Proportional to 50,866.11, 70,195.84 and 28,205.39

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Solution

The fourth proportional to 50,866.11, 70,195.84 and 28,205.39 is: 38,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,866.11 : 70,195.84 = 28,205.39 : x
  2. Step 2: Convert to fraction form
    50,866.11/70,195.84 = 28,205.39/x
  3. Step 3: Cross multiply
    50,866.11x = 70,195.84 × 28,205.39
  4. Step 4: Simplify right side
    50,866.11x = 1,979,901,148.55
  5. Step 5: Solve for x
    x = 1,979,901,148.55/50,866.11
  6. Step 6: Final answer
    x = 38,923.78

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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.