Home / 55,042.20-82,563.30-36,015.30

Finding the Fourth Proportional to 55,042.20, 82,563.30 and 36,015.30

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Solution

The fourth proportional to 55,042.20, 82,563.30 and 36,015.30 is: 54,022.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,042.20 : 82,563.30 = 36,015.30 : x
  2. Step 2: Convert to fraction form
    55,042.20/82,563.30 = 36,015.30/x
  3. Step 3: Cross multiply
    55,042.20x = 82,563.30 × 36,015.30
  4. Step 4: Simplify right side
    55,042.20x = 2,973,542,018.49
  5. Step 5: Solve for x
    x = 2,973,542,018.49/55,042.20
  6. Step 6: Final answer
    x = 54,022.95

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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.