Home / 79,545.05-109,771.18-43,734.75

Finding the Fourth Proportional to 79,545.05, 109,771.18 and 43,734.75

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Solution

The fourth proportional to 79,545.05, 109,771.18 and 43,734.75 is: 60,353.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,545.05 : 109,771.18 = 43,734.75 : x
  2. Step 2: Convert to fraction form
    79,545.05/109,771.18 = 43,734.75/x
  3. Step 3: Cross multiply
    79,545.05x = 109,771.18 × 43,734.75
  4. Step 4: Simplify right side
    79,545.05x = 4,800,814,593.53
  5. Step 5: Solve for x
    x = 4,800,814,593.53/79,545.05
  6. Step 6: Final answer
    x = 60,353.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.