Home / 89,183.11-133,773.33-21,715.78

Finding the Fourth Proportional to 89,183.11, 133,773.33 and 21,715.78

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Solution

The fourth proportional to 89,183.11, 133,773.33 and 21,715.78 is: 32,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,183.11 : 133,773.33 = 21,715.78 : x
  2. Step 2: Convert to fraction form
    89,183.11/133,773.33 = 21,715.78/x
  3. Step 3: Cross multiply
    89,183.11x = 133,773.33 × 21,715.78
  4. Step 4: Simplify right side
    89,183.11x = 2,904,992,204.15
  5. Step 5: Solve for x
    x = 2,904,992,204.15/89,183.11
  6. Step 6: Final answer
    x = 32,573.34

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1.5x scale

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.