Home / 66,467.12-99,648.83-33,170.45

Finding the Fourth Proportional to 66,467.12, 99,648.83 and 33,170.45

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Solution

The fourth proportional to 66,467.12, 99,648.83 and 33,170.45 is: 49,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,467.12 : 99,648.83 = 33,170.45 : x
  2. Step 2: Convert to fraction form
    66,467.12/99,648.83 = 33,170.45/x
  3. Step 3: Cross multiply
    66,467.12x = 99,648.83 × 33,170.45
  4. Step 4: Simplify right side
    66,467.12x = 3,305,396,117.76
  5. Step 5: Solve for x
    x = 3,305,396,117.76/66,467.12
  6. Step 6: Final answer
    x = 49,729.80

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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.