Home / 80,454.06-120,722.04-33,105.51

Finding the Fourth Proportional to 80,454.06, 120,722.04 and 33,105.51

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Solution

The fourth proportional to 80,454.06, 120,722.04 and 33,105.51 is: 49,675.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,454.06 : 120,722.04 = 33,105.51 : x
  2. Step 2: Convert to fraction form
    80,454.06/120,722.04 = 33,105.51/x
  3. Step 3: Cross multiply
    80,454.06x = 120,722.04 × 33,105.51
  4. Step 4: Simplify right side
    80,454.06x = 3,996,564,702.44
  5. Step 5: Solve for x
    x = 3,996,564,702.44/80,454.06
  6. Step 6: Final answer
    x = 49,675.12

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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.