Home / 50,909.27-70,263.18-28,255.56

Finding the Fourth Proportional to 50,909.27, 70,263.18 and 28,255.56

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Solution

The fourth proportional to 50,909.27, 70,263.18 and 28,255.56 is: 38,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,909.27 : 70,263.18 = 28,255.56 : x
  2. Step 2: Convert to fraction form
    50,909.27/70,263.18 = 28,255.56/x
  3. Step 3: Cross multiply
    50,909.27x = 70,263.18 × 28,255.56
  4. Step 4: Simplify right side
    50,909.27x = 1,985,325,234.79
  5. Step 5: Solve for x
    x = 1,985,325,234.79/50,909.27
  6. Step 6: Final answer
    x = 38,997.33

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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.