Home / 50,757.30-70,043.31-28,096.20

Finding the Fourth Proportional to 50,757.30, 70,043.31 and 28,096.20

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Solution

The fourth proportional to 50,757.30, 70,043.31 and 28,096.20 is: 38,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,757.30 : 70,043.31 = 28,096.20 : x
  2. Step 2: Convert to fraction form
    50,757.30/70,043.31 = 28,096.20/x
  3. Step 3: Cross multiply
    50,757.30x = 70,043.31 × 28,096.20
  4. Step 4: Simplify right side
    50,757.30x = 1,967,950,846.42
  5. Step 5: Solve for x
    x = 1,967,950,846.42/50,757.30
  6. Step 6: Final answer
    x = 38,771.78

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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.