Home / 92,082.02-138,102.75-32,921.78

Finding the Fourth Proportional to 92,082.02, 138,102.75 and 32,921.78

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Solution

The fourth proportional to 92,082.02, 138,102.75 and 32,921.78 is: 49,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,082.02 : 138,102.75 = 32,921.78 : x
  2. Step 2: Convert to fraction form
    92,082.02/138,102.75 = 32,921.78/x
  3. Step 3: Cross multiply
    92,082.02x = 138,102.75 × 32,921.78
  4. Step 4: Simplify right side
    92,082.02x = 4,546,588,352.90
  5. Step 5: Solve for x
    x = 4,546,588,352.90/92,082.02
  6. Step 6: Final answer
    x = 49,375.42

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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.