Home / 50,211.99-69,289.56-28,704.06

Finding the Fourth Proportional to 50,211.99, 69,289.56 and 28,704.06

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Solution

The fourth proportional to 50,211.99, 69,289.56 and 28,704.06 is: 39,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,211.99 : 69,289.56 = 28,704.06 : x
  2. Step 2: Convert to fraction form
    50,211.99/69,289.56 = 28,704.06/x
  3. Step 3: Cross multiply
    50,211.99x = 69,289.56 × 28,704.06
  4. Step 4: Simplify right side
    50,211.99x = 1,988,891,687.61
  5. Step 5: Solve for x
    x = 1,988,891,687.61/50,211.99
  6. Step 6: Final answer
    x = 39,609.90

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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.