Home / 79,736.27-119,604.57-74,864.72

Finding the Fourth Proportional to 79,736.27, 119,604.57 and 74,864.72

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Solution

The fourth proportional to 79,736.27, 119,604.57 and 74,864.72 is: 112,297.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,736.27 : 119,604.57 = 74,864.72 : x
  2. Step 2: Convert to fraction form
    79,736.27/119,604.57 = 74,864.72/x
  3. Step 3: Cross multiply
    79,736.27x = 119,604.57 × 74,864.72
  4. Step 4: Simplify right side
    79,736.27x = 8,954,162,662.04
  5. Step 5: Solve for x
    x = 8,954,162,662.04/79,736.27
  6. Step 6: Final answer
    x = 112,297.24

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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.