Home / 55,384.20-82,959.30-36,673.20

Finding the Fourth Proportional to 55,384.20, 82,959.30 and 36,673.20

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Solution

The fourth proportional to 55,384.20, 82,959.30 and 36,673.20 is: 54,932.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,384.20 : 82,959.30 = 36,673.20 : x
  2. Step 2: Convert to fraction form
    55,384.20/82,959.30 = 36,673.20/x
  3. Step 3: Cross multiply
    55,384.20x = 82,959.30 × 36,673.20
  4. Step 4: Simplify right side
    55,384.20x = 3,042,383,000.76
  5. Step 5: Solve for x
    x = 3,042,383,000.76/55,384.20
  6. Step 6: Final answer
    x = 54,932.33

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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.