Home / 50,771.64-70,063.20-28,111.56

Finding the Fourth Proportional to 50,771.64, 70,063.20 and 28,111.56

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Solution

The fourth proportional to 50,771.64, 70,063.20 and 28,111.56 is: 38,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,771.64 : 70,063.20 = 28,111.56 : x
  2. Step 2: Convert to fraction form
    50,771.64/70,063.20 = 28,111.56/x
  3. Step 3: Cross multiply
    50,771.64x = 70,063.20 × 28,111.56
  4. Step 4: Simplify right side
    50,771.64x = 1,969,585,850.59
  5. Step 5: Solve for x
    x = 1,969,585,850.59/50,771.64
  6. Step 6: Final answer
    x = 38,793.03

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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.