Home / 85,049.53-127,537.40-25,871.54

Finding the Fourth Proportional to 85,049.53, 127,537.40 and 25,871.54

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Solution

The fourth proportional to 85,049.53, 127,537.40 and 25,871.54 is: 38,796.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,049.53 : 127,537.40 = 25,871.54 : x
  2. Step 2: Convert to fraction form
    85,049.53/127,537.40 = 25,871.54/x
  3. Step 3: Cross multiply
    85,049.53x = 127,537.40 × 25,871.54
  4. Step 4: Simplify right side
    85,049.53x = 3,299,588,372.59
  5. Step 5: Solve for x
    x = 3,299,588,372.59/85,049.53
  6. Step 6: Final answer
    x = 38,796.08

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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.