Home / 110,605.20-165,790.44-54,366

Finding the Fourth Proportional to 110,605.20, 165,790.44 and 54,366

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Solution

The fourth proportional to 110,605.20, 165,790.44 and 54,366 is: 81,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,605.20 : 165,790.44 = 54,366 : x
  2. Step 2: Convert to fraction form
    110,605.20/165,790.44 = 54,366/x
  3. Step 3: Cross multiply
    110,605.20x = 165,790.44 × 54,366
  4. Step 4: Simplify right side
    110,605.20x = 9,013,363,061.04
  5. Step 5: Solve for x
    x = 9,013,363,061.04/110,605.20
  6. Step 6: Final answer
    x = 81,491.31

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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.