Home / 83,819.10-125,619.30-33,858.30

Finding the Fourth Proportional to 83,819.10, 125,619.30 and 33,858.30

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Solution

The fourth proportional to 83,819.10, 125,619.30 and 33,858.30 is: 50,743.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,819.10 : 125,619.30 = 33,858.30 : x
  2. Step 2: Convert to fraction form
    83,819.10/125,619.30 = 33,858.30/x
  3. Step 3: Cross multiply
    83,819.10x = 125,619.30 × 33,858.30
  4. Step 4: Simplify right side
    83,819.10x = 4,253,255,945.19
  5. Step 5: Solve for x
    x = 4,253,255,945.19/83,819.10
  6. Step 6: Final answer
    x = 50,743.28

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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.