Home / 80,039.41-120,054.77-40,595.49

Finding the Fourth Proportional to 80,039.41, 120,054.77 and 40,595.49

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Solution

The fourth proportional to 80,039.41, 120,054.77 and 40,595.49 is: 60,891.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,039.41 : 120,054.77 = 40,595.49 : x
  2. Step 2: Convert to fraction form
    80,039.41/120,054.77 = 40,595.49/x
  3. Step 3: Cross multiply
    80,039.41x = 120,054.77 × 40,595.49
  4. Step 4: Simplify right side
    80,039.41x = 4,873,682,164.24
  5. Step 5: Solve for x
    x = 4,873,682,164.24/80,039.41
  6. Step 6: Final answer
    x = 60,891.03

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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.