Home / 67,153.26-100,481.43-40,514.70

Finding the Fourth Proportional to 67,153.26, 100,481.43 and 40,514.70

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Solution

The fourth proportional to 67,153.26, 100,481.43 and 40,514.70 is: 60,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,153.26 : 100,481.43 = 40,514.70 : x
  2. Step 2: Convert to fraction form
    67,153.26/100,481.43 = 40,514.70/x
  3. Step 3: Cross multiply
    67,153.26x = 100,481.43 × 40,514.70
  4. Step 4: Simplify right side
    67,153.26x = 4,070,974,992.02
  5. Step 5: Solve for x
    x = 4,070,974,992.02/67,153.26
  6. Step 6: Final answer
    x = 60,622.15

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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.