Home / 79,446.05-109,635.21-43,635.95

Finding the Fourth Proportional to 79,446.05, 109,635.21 and 43,635.95

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Solution

The fourth proportional to 79,446.05, 109,635.21 and 43,635.95 is: 60,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,446.05 : 109,635.21 = 43,635.95 : x
  2. Step 2: Convert to fraction form
    79,446.05/109,635.21 = 43,635.95/x
  3. Step 3: Cross multiply
    79,446.05x = 109,635.21 × 43,635.95
  4. Step 4: Simplify right side
    79,446.05x = 4,784,035,993.62
  5. Step 5: Solve for x
    x = 4,784,035,993.62/79,446.05
  6. Step 6: Final answer
    x = 60,217.42

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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.