Home / 83,104.38-124,579.76-33,172.34

Finding the Fourth Proportional to 83,104.38, 124,579.76 and 33,172.34

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Solution

The fourth proportional to 83,104.38, 124,579.76 and 33,172.34 is: 49,727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,104.38 : 124,579.76 = 33,172.34 : x
  2. Step 2: Convert to fraction form
    83,104.38/124,579.76 = 33,172.34/x
  3. Step 3: Cross multiply
    83,104.38x = 124,579.76 × 33,172.34
  4. Step 4: Simplify right side
    83,104.38x = 4,132,601,367.08
  5. Step 5: Solve for x
    x = 4,132,601,367.08/83,104.38
  6. Step 6: Final answer
    x = 49,727.84

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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.