Home / 69,447.01-95,836.53-38,820.09

Finding the Fourth Proportional to 69,447.01, 95,836.53 and 38,820.09

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Solution

The fourth proportional to 69,447.01, 95,836.53 and 38,820.09 is: 53,571.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,447.01 : 95,836.53 = 38,820.09 : x
  2. Step 2: Convert to fraction form
    69,447.01/95,836.53 = 38,820.09/x
  3. Step 3: Cross multiply
    69,447.01x = 95,836.53 × 38,820.09
  4. Step 4: Simplify right side
    69,447.01x = 3,720,383,224.85
  5. Step 5: Solve for x
    x = 3,720,383,224.85/69,447.01
  6. Step 6: Final answer
    x = 53,571.54

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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.