Home / 80,246.03-120,295.33-27,643.01

Finding the Fourth Proportional to 80,246.03, 120,295.33 and 27,643.01

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Solution

The fourth proportional to 80,246.03, 120,295.33 and 27,643.01 is: 41,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,246.03 : 120,295.33 = 27,643.01 : x
  2. Step 2: Convert to fraction form
    80,246.03/120,295.33 = 27,643.01/x
  3. Step 3: Cross multiply
    80,246.03x = 120,295.33 × 27,643.01
  4. Step 4: Simplify right side
    80,246.03x = 3,325,325,010.14
  5. Step 5: Solve for x
    x = 3,325,325,010.14/80,246.03
  6. Step 6: Final answer
    x = 41,439.12

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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.