Home / 50,761.27-70,049.53-28,100.25

Finding the Fourth Proportional to 50,761.27, 70,049.53 and 28,100.25

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Solution

The fourth proportional to 50,761.27, 70,049.53 and 28,100.25 is: 38,777.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,761.27 : 70,049.53 = 28,100.25 : x
  2. Step 2: Convert to fraction form
    50,761.27/70,049.53 = 28,100.25/x
  3. Step 3: Cross multiply
    50,761.27x = 70,049.53 × 28,100.25
  4. Step 4: Simplify right side
    50,761.27x = 1,968,409,182.44
  5. Step 5: Solve for x
    x = 1,968,409,182.44/50,761.27
  6. Step 6: Final answer
    x = 38,777.78

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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.