Home / 79,359.46-109,519.21-43,550.75

Finding the Fourth Proportional to 79,359.46, 109,519.21 and 43,550.75

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Solution

The fourth proportional to 79,359.46, 109,519.21 and 43,550.75 is: 60,101.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,359.46 : 109,519.21 = 43,550.75 : x
  2. Step 2: Convert to fraction form
    79,359.46/109,519.21 = 43,550.75/x
  3. Step 3: Cross multiply
    79,359.46x = 109,519.21 × 43,550.75
  4. Step 4: Simplify right side
    79,359.46x = 4,769,643,734.91
  5. Step 5: Solve for x
    x = 4,769,643,734.91/79,359.46
  6. Step 6: Final answer
    x = 60,101.77

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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.