Home / 55,388.72-82,937.28-33,149.36

Finding the Fourth Proportional to 55,388.72, 82,937.28 and 33,149.36

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Solution

The fourth proportional to 55,388.72, 82,937.28 and 33,149.36 is: 49,636.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,388.72 : 82,937.28 = 33,149.36 : x
  2. Step 2: Convert to fraction form
    55,388.72/82,937.28 = 33,149.36/x
  3. Step 3: Cross multiply
    55,388.72x = 82,937.28 × 33,149.36
  4. Step 4: Simplify right side
    55,388.72x = 2,749,317,752.14
  5. Step 5: Solve for x
    x = 2,749,317,752.14/55,388.72
  6. Step 6: Final answer
    x = 49,636.78

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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.