Home / 80,317.68-120,483.24-27,727.60

Finding the Fourth Proportional to 80,317.68, 120,483.24 and 27,727.60

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Solution

The fourth proportional to 80,317.68, 120,483.24 and 27,727.60 is: 41,593.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,317.68 : 120,483.24 = 27,727.60 : x
  2. Step 2: Convert to fraction form
    80,317.68/120,483.24 = 27,727.60/x
  3. Step 3: Cross multiply
    80,317.68x = 120,483.24 × 27,727.60
  4. Step 4: Simplify right side
    80,317.68x = 3,340,711,085.42
  5. Step 5: Solve for x
    x = 3,340,711,085.42/80,317.68
  6. Step 6: Final answer
    x = 41,593.72

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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.