Home / 43,403.50-65,105.19-28,504.67

Finding the Fourth Proportional to 43,403.50, 65,105.19 and 28,504.67

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Solution

The fourth proportional to 43,403.50, 65,105.19 and 28,504.67 is: 42,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,403.50 : 65,105.19 = 28,504.67 : x
  2. Step 2: Convert to fraction form
    43,403.50/65,105.19 = 28,504.67/x
  3. Step 3: Cross multiply
    43,403.50x = 65,105.19 × 28,504.67
  4. Step 4: Simplify right side
    43,403.50x = 1,855,801,956.24
  5. Step 5: Solve for x
    x = 1,855,801,956.24/43,403.50
  6. Step 6: Final answer
    x = 42,756.97

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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.