Home / 80,077.68-120,089.25-26,757.81

Finding the Fourth Proportional to 80,077.68, 120,089.25 and 26,757.81

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Solution

The fourth proportional to 80,077.68, 120,089.25 and 26,757.81 is: 40,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,077.68 : 120,089.25 = 26,757.81 : x
  2. Step 2: Convert to fraction form
    80,077.68/120,089.25 = 26,757.81/x
  3. Step 3: Cross multiply
    80,077.68x = 120,089.25 × 26,757.81
  4. Step 4: Simplify right side
    80,077.68x = 3,213,325,334.54
  5. Step 5: Solve for x
    x = 3,213,325,334.54/80,077.68
  6. Step 6: Final answer
    x = 40,127.60

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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.