Home / 50,863.13-70,191.96-28,203.08

Finding the Fourth Proportional to 50,863.13, 70,191.96 and 28,203.08

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Solution

The fourth proportional to 50,863.13, 70,191.96 and 28,203.08 is: 38,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,863.13 : 70,191.96 = 28,203.08 : x
  2. Step 2: Convert to fraction form
    50,863.13/70,191.96 = 28,203.08/x
  3. Step 3: Cross multiply
    50,863.13x = 70,191.96 × 28,203.08
  4. Step 4: Simplify right side
    50,863.13x = 1,979,629,112.28
  5. Step 5: Solve for x
    x = 1,979,629,112.28/50,863.13
  6. Step 6: Final answer
    x = 38,920.71

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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.