Home / 69,431.44-95,819.52-39,205.66

Finding the Fourth Proportional to 69,431.44, 95,819.52 and 39,205.66

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Solution

The fourth proportional to 69,431.44, 95,819.52 and 39,205.66 is: 54,106.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,431.44 : 95,819.52 = 39,205.66 : x
  2. Step 2: Convert to fraction form
    69,431.44/95,819.52 = 39,205.66/x
  3. Step 3: Cross multiply
    69,431.44x = 95,819.52 × 39,205.66
  4. Step 4: Simplify right side
    69,431.44x = 3,756,667,522.48
  5. Step 5: Solve for x
    x = 3,756,667,522.48/69,431.44
  6. Step 6: Final answer
    x = 54,106.14

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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.