Home / 85,105.06-127,676.54-25,945.33

Finding the Fourth Proportional to 85,105.06, 127,676.54 and 25,945.33

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Solution

The fourth proportional to 85,105.06, 127,676.54 and 25,945.33 is: 38,923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,105.06 : 127,676.54 = 25,945.33 : x
  2. Step 2: Convert to fraction form
    85,105.06/127,676.54 = 25,945.33/x
  3. Step 3: Cross multiply
    85,105.06x = 127,676.54 × 25,945.33
  4. Step 4: Simplify right side
    85,105.06x = 3,312,609,963.56
  5. Step 5: Solve for x
    x = 3,312,609,963.56/85,105.06
  6. Step 6: Final answer
    x = 38,923.77

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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.