Home / 50,866.85-70,193.39-28,204.49

Finding the Fourth Proportional to 50,866.85, 70,193.39 and 28,204.49

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Solution

The fourth proportional to 50,866.85, 70,193.39 and 28,204.49 is: 38,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,866.85 : 70,193.39 = 28,204.49 : x
  2. Step 2: Convert to fraction form
    50,866.85/70,193.39 = 28,204.49/x
  3. Step 3: Cross multiply
    50,866.85x = 70,193.39 × 28,204.49
  4. Step 4: Simplify right side
    50,866.85x = 1,979,768,274.33
  5. Step 5: Solve for x
    x = 1,979,768,274.33/50,866.85
  6. Step 6: Final answer
    x = 38,920.60

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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.