Home / 55,819.40-83,656.20-22,512.20

Finding the Fourth Proportional to 55,819.40, 83,656.20 and 22,512.20

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Solution

The fourth proportional to 55,819.40, 83,656.20 and 22,512.20 is: 33,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,819.40 : 83,656.20 = 22,512.20 : x
  2. Step 2: Convert to fraction form
    55,819.40/83,656.20 = 22,512.20/x
  3. Step 3: Cross multiply
    55,819.40x = 83,656.20 × 22,512.20
  4. Step 4: Simplify right side
    55,819.40x = 1,883,285,105.64
  5. Step 5: Solve for x
    x = 1,883,285,105.64/55,819.40
  6. Step 6: Final answer
    x = 33,738.90

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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.