Home / 80,122.82-110,565-43,817.04

Finding the Fourth Proportional to 80,122.82, 110,565 and 43,817.04

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Solution

The fourth proportional to 80,122.82, 110,565 and 43,817.04 is: 60,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,122.82 : 110,565 = 43,817.04 : x
  2. Step 2: Convert to fraction form
    80,122.82/110,565 = 43,817.04/x
  3. Step 3: Cross multiply
    80,122.82x = 110,565 × 43,817.04
  4. Step 4: Simplify right side
    80,122.82x = 4,844,631,027.60
  5. Step 5: Solve for x
    x = 4,844,631,027.60/80,122.82
  6. Step 6: Final answer
    x = 60,465.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.