Home / 89,251.68-133,795.46-38,619.09

Finding the Fourth Proportional to 89,251.68, 133,795.46 and 38,619.09

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Solution

The fourth proportional to 89,251.68, 133,795.46 and 38,619.09 is: 57,893.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,251.68 : 133,795.46 = 38,619.09 : x
  2. Step 2: Convert to fraction form
    89,251.68/133,795.46 = 38,619.09/x
  3. Step 3: Cross multiply
    89,251.68x = 133,795.46 × 38,619.09
  4. Step 4: Simplify right side
    89,251.68x = 5,167,058,911.33
  5. Step 5: Solve for x
    x = 5,167,058,911.33/89,251.68
  6. Step 6: Final answer
    x = 57,893.13

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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.