Home / 74,195.88-111,236.30-36,730.12

Finding the Fourth Proportional to 74,195.88, 111,236.30 and 36,730.12

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Solution

The fourth proportional to 74,195.88, 111,236.30 and 36,730.12 is: 55,066.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,195.88 : 111,236.30 = 36,730.12 : x
  2. Step 2: Convert to fraction form
    74,195.88/111,236.30 = 36,730.12/x
  3. Step 3: Cross multiply
    74,195.88x = 111,236.30 × 36,730.12
  4. Step 4: Simplify right side
    74,195.88x = 4,085,722,647.36
  5. Step 5: Solve for x
    x = 4,085,722,647.36/74,195.88
  6. Step 6: Final answer
    x = 55,066.71

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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.