Home / 89,161.46-133,693.88-39,183.04

Finding the Fourth Proportional to 89,161.46, 133,693.88 and 39,183.04

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Solution

The fourth proportional to 89,161.46, 133,693.88 and 39,183.04 is: 58,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,161.46 : 133,693.88 = 39,183.04 : x
  2. Step 2: Convert to fraction form
    89,161.46/133,693.88 = 39,183.04/x
  3. Step 3: Cross multiply
    89,161.46x = 133,693.88 × 39,183.04
  4. Step 4: Simplify right side
    89,161.46x = 5,238,531,979.33
  5. Step 5: Solve for x
    x = 5,238,531,979.33/89,161.46
  6. Step 6: Final answer
    x = 58,753.33

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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.