Home / 85,052.73-127,556.29-25,872.51

Finding the Fourth Proportional to 85,052.73, 127,556.29 and 25,872.51

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Solution

The fourth proportional to 85,052.73, 127,556.29 and 25,872.51 is: 38,801.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,052.73 : 127,556.29 = 25,872.51 : x
  2. Step 2: Convert to fraction form
    85,052.73/127,556.29 = 25,872.51/x
  3. Step 3: Cross multiply
    85,052.73x = 127,556.29 × 25,872.51
  4. Step 4: Simplify right side
    85,052.73x = 3,300,201,388.59
  5. Step 5: Solve for x
    x = 3,300,201,388.59/85,052.73
  6. Step 6: Final answer
    x = 38,801.83

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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.