Home / 69,500.82-95,910.48-39,285.60

Finding the Fourth Proportional to 69,500.82, 95,910.48 and 39,285.60

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Solution

The fourth proportional to 69,500.82, 95,910.48 and 39,285.60 is: 54,213.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,500.82 : 95,910.48 = 39,285.60 : x
  2. Step 2: Convert to fraction form
    69,500.82/95,910.48 = 39,285.60/x
  3. Step 3: Cross multiply
    69,500.82x = 95,910.48 × 39,285.60
  4. Step 4: Simplify right side
    69,500.82x = 3,767,900,753.09
  5. Step 5: Solve for x
    x = 3,767,900,753.09/69,500.82
  6. Step 6: Final answer
    x = 54,213.76

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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.