Home / 84,735.38-127,103.99-25,571.57

Finding the Fourth Proportional to 84,735.38, 127,103.99 and 25,571.57

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Solution

The fourth proportional to 84,735.38, 127,103.99 and 25,571.57 is: 38,357.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,735.38 : 127,103.99 = 25,571.57 : x
  2. Step 2: Convert to fraction form
    84,735.38/127,103.99 = 25,571.57/x
  3. Step 3: Cross multiply
    84,735.38x = 127,103.99 × 25,571.57
  4. Step 4: Simplify right side
    84,735.38x = 3,250,247,814.19
  5. Step 5: Solve for x
    x = 3,250,247,814.19/84,735.38
  6. Step 6: Final answer
    x = 38,357.62

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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.