Home / 92,181.33-138,272.09-25,621.47

Finding the Fourth Proportional to 92,181.33, 138,272.09 and 25,621.47

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Solution

The fourth proportional to 92,181.33, 138,272.09 and 25,621.47 is: 38,432.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,181.33 : 138,272.09 = 25,621.47 : x
  2. Step 2: Convert to fraction form
    92,181.33/138,272.09 = 25,621.47/x
  3. Step 3: Cross multiply
    92,181.33x = 138,272.09 × 25,621.47
  4. Step 4: Simplify right side
    92,181.33x = 3,542,734,205.77
  5. Step 5: Solve for x
    x = 3,542,734,205.77/92,181.33
  6. Step 6: Final answer
    x = 38,432.23

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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.