Home / 44,511.20-66,843.60-43,128.80

Finding the Fourth Proportional to 44,511.20, 66,843.60 and 43,128.80

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Solution

The fourth proportional to 44,511.20, 66,843.60 and 43,128.80 is: 64,767.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,511.20 : 66,843.60 = 43,128.80 : x
  2. Step 2: Convert to fraction form
    44,511.20/66,843.60 = 43,128.80/x
  3. Step 3: Cross multiply
    44,511.20x = 66,843.60 × 43,128.80
  4. Step 4: Simplify right side
    44,511.20x = 2,882,884,255.68
  5. Step 5: Solve for x
    x = 2,882,884,255.68/44,511.20
  6. Step 6: Final answer
    x = 64,767.61

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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.