Home / 74,198.38-111,223.32-36,785.84

Finding the Fourth Proportional to 74,198.38, 111,223.32 and 36,785.84

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Solution

The fourth proportional to 74,198.38, 111,223.32 and 36,785.84 is: 55,141.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,198.38 : 111,223.32 = 36,785.84 : x
  2. Step 2: Convert to fraction form
    74,198.38/111,223.32 = 36,785.84/x
  3. Step 3: Cross multiply
    74,198.38x = 111,223.32 × 36,785.84
  4. Step 4: Simplify right side
    74,198.38x = 4,091,443,253.79
  5. Step 5: Solve for x
    x = 4,091,443,253.79/74,198.38
  6. Step 6: Final answer
    x = 55,141.95

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1.5x scale

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.