Home / 50,350.06-75,540.03-20,769.67

Finding the Fourth Proportional to 50,350.06, 75,540.03 and 20,769.67

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Solution

The fourth proportional to 50,350.06, 75,540.03 and 20,769.67 is: 31,160.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,350.06 : 75,540.03 = 20,769.67 : x
  2. Step 2: Convert to fraction form
    50,350.06/75,540.03 = 20,769.67/x
  3. Step 3: Cross multiply
    50,350.06x = 75,540.03 × 20,769.67
  4. Step 4: Simplify right side
    50,350.06x = 1,568,941,494.89
  5. Step 5: Solve for x
    x = 1,568,941,494.89/50,350.06
  6. Step 6: Final answer
    x = 31,160.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.