Home / 99,299.92-149,056-40,174.24

Finding the Fourth Proportional to 99,299.92, 149,056 and 40,174.24

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Solution

The fourth proportional to 99,299.92, 149,056 and 40,174.24 is: 60,304.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,299.92 : 149,056 = 40,174.24 : x
  2. Step 2: Convert to fraction form
    99,299.92/149,056 = 40,174.24/x
  3. Step 3: Cross multiply
    99,299.92x = 149,056 × 40,174.24
  4. Step 4: Simplify right side
    99,299.92x = 5,988,211,517.44
  5. Step 5: Solve for x
    x = 5,988,211,517.44/99,299.92
  6. Step 6: Final answer
    x = 60,304.29

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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.