Home / 89,229.57-133,665.90-53,671.25

Finding the Fourth Proportional to 89,229.57, 133,665.90 and 53,671.25

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Solution

The fourth proportional to 89,229.57, 133,665.90 and 53,671.25 is: 80,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,229.57 : 133,665.90 = 53,671.25 : x
  2. Step 2: Convert to fraction form
    89,229.57/133,665.90 = 53,671.25/x
  3. Step 3: Cross multiply
    89,229.57x = 133,665.90 × 53,671.25
  4. Step 4: Simplify right side
    89,229.57x = 7,174,015,935.38
  5. Step 5: Solve for x
    x = 7,174,015,935.38/89,229.57
  6. Step 6: Final answer
    x = 80,399.54

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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.