Home / 85,103.06-127,673.54-25,943.33

Finding the Fourth Proportional to 85,103.06, 127,673.54 and 25,943.33

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Solution

The fourth proportional to 85,103.06, 127,673.54 and 25,943.33 is: 38,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,103.06 : 127,673.54 = 25,943.33 : x
  2. Step 2: Convert to fraction form
    85,103.06/127,673.54 = 25,943.33/x
  3. Step 3: Cross multiply
    85,103.06x = 127,673.54 × 25,943.33
  4. Step 4: Simplify right side
    85,103.06x = 3,312,277,067.24
  5. Step 5: Solve for x
    x = 3,312,277,067.24/85,103.06
  6. Step 6: Final answer
    x = 38,920.78

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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.