Home / 69,578.46-95,785.83-66,404.88

Finding the Fourth Proportional to 69,578.46, 95,785.83 and 66,404.88

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Solution

The fourth proportional to 69,578.46, 95,785.83 and 66,404.88 is: 91,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,578.46 : 95,785.83 = 66,404.88 : x
  2. Step 2: Convert to fraction form
    69,578.46/95,785.83 = 66,404.88/x
  3. Step 3: Cross multiply
    69,578.46x = 95,785.83 × 66,404.88
  4. Step 4: Simplify right side
    69,578.46x = 6,360,646,546.85
  5. Step 5: Solve for x
    x = 6,360,646,546.85/69,578.46
  6. Step 6: Final answer
    x = 91,416.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.