Home / 79,358.24-109,516.78-43,550.58

Finding the Fourth Proportional to 79,358.24, 109,516.78 and 43,550.58

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Solution

The fourth proportional to 79,358.24, 109,516.78 and 43,550.58 is: 60,101.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,358.24 : 109,516.78 = 43,550.58 : x
  2. Step 2: Convert to fraction form
    79,358.24/109,516.78 = 43,550.58/x
  3. Step 3: Cross multiply
    79,358.24x = 109,516.78 × 43,550.58
  4. Step 4: Simplify right side
    79,358.24x = 4,769,519,288.73
  5. Step 5: Solve for x
    x = 4,769,519,288.73/79,358.24
  6. Step 6: Final answer
    x = 60,101.12

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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.