Home / 80,040.23-120,022.67-46,769.90

Finding the Fourth Proportional to 80,040.23, 120,022.67 and 46,769.90

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Solution

The fourth proportional to 80,040.23, 120,022.67 and 46,769.90 is: 70,132.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,040.23 : 120,022.67 = 46,769.90 : x
  2. Step 2: Convert to fraction form
    80,040.23/120,022.67 = 46,769.90/x
  3. Step 3: Cross multiply
    80,040.23x = 120,022.67 × 46,769.90
  4. Step 4: Simplify right side
    80,040.23x = 5,613,448,039.78
  5. Step 5: Solve for x
    x = 5,613,448,039.78/80,040.23
  6. Step 6: Final answer
    x = 70,132.83

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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.