Home / 84,735.43-127,104.12-25,571.61

Finding the Fourth Proportional to 84,735.43, 127,104.12 and 25,571.61

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Solution

The fourth proportional to 84,735.43, 127,104.12 and 25,571.61 is: 38,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,735.43 : 127,104.12 = 25,571.61 : x
  2. Step 2: Convert to fraction form
    84,735.43/127,104.12 = 25,571.61/x
  3. Step 3: Cross multiply
    84,735.43x = 127,104.12 × 25,571.61
  4. Step 4: Simplify right side
    84,735.43x = 3,250,256,986.03
  5. Step 5: Solve for x
    x = 3,250,256,986.03/84,735.43
  6. Step 6: Final answer
    x = 38,357.71

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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.