Home / 50,863.96-70,190.38-28,203.36

Finding the Fourth Proportional to 50,863.96, 70,190.38 and 28,203.36

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Solution

The fourth proportional to 50,863.96, 70,190.38 and 28,203.36 is: 38,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,863.96 : 70,190.38 = 28,203.36 : x
  2. Step 2: Convert to fraction form
    50,863.96/70,190.38 = 28,203.36/x
  3. Step 3: Cross multiply
    50,863.96x = 70,190.38 × 28,203.36
  4. Step 4: Simplify right side
    50,863.96x = 1,979,604,555.68
  5. Step 5: Solve for x
    x = 1,979,604,555.68/50,863.96
  6. Step 6: Final answer
    x = 38,919.59

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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.