Home / 55,213.26-82,819.89-36,488.90

Finding the Fourth Proportional to 55,213.26, 82,819.89 and 36,488.90

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Solution

The fourth proportional to 55,213.26, 82,819.89 and 36,488.90 is: 54,733.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,213.26 : 82,819.89 = 36,488.90 : x
  2. Step 2: Convert to fraction form
    55,213.26/82,819.89 = 36,488.90/x
  3. Step 3: Cross multiply
    55,213.26x = 82,819.89 × 36,488.90
  4. Step 4: Simplify right side
    55,213.26x = 3,022,006,270.12
  5. Step 5: Solve for x
    x = 3,022,006,270.12/55,213.26
  6. Step 6: Final answer
    x = 54,733.34

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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.