Home / 48,665.10-72,997.68-15,388.56

Finding the Fourth Proportional to 48,665.10, 72,997.68 and 15,388.56

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Solution

The fourth proportional to 48,665.10, 72,997.68 and 15,388.56 is: 23,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,665.10 : 72,997.68 = 15,388.56 : x
  2. Step 2: Convert to fraction form
    48,665.10/72,997.68 = 15,388.56/x
  3. Step 3: Cross multiply
    48,665.10x = 72,997.68 × 15,388.56
  4. Step 4: Simplify right side
    48,665.10x = 1,123,329,178.54
  5. Step 5: Solve for x
    x = 1,123,329,178.54/48,665.10
  6. Step 6: Final answer
    x = 23,082.85

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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.