Home / 67,107.12-100,738.44-36,003.12

Finding the Fourth Proportional to 67,107.12, 100,738.44 and 36,003.12

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Solution

The fourth proportional to 67,107.12, 100,738.44 and 36,003.12 is: 54,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,107.12 : 100,738.44 = 36,003.12 : x
  2. Step 2: Convert to fraction form
    67,107.12/100,738.44 = 36,003.12/x
  3. Step 3: Cross multiply
    67,107.12x = 100,738.44 × 36,003.12
  4. Step 4: Simplify right side
    67,107.12x = 3,626,898,143.93
  5. Step 5: Solve for x
    x = 3,626,898,143.93/67,107.12
  6. Step 6: Final answer
    x = 54,046.40

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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.