Home / 87,082.65-120,172.73-48,842.19

Finding the Fourth Proportional to 87,082.65, 120,172.73 and 48,842.19

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Solution

The fourth proportional to 87,082.65, 120,172.73 and 48,842.19 is: 67,401.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,082.65 : 120,172.73 = 48,842.19 : x
  2. Step 2: Convert to fraction form
    87,082.65/120,172.73 = 48,842.19/x
  3. Step 3: Cross multiply
    87,082.65x = 120,172.73 × 48,842.19
  4. Step 4: Simplify right side
    87,082.65x = 5,869,499,067.27
  5. Step 5: Solve for x
    x = 5,869,499,067.27/87,082.65
  6. Step 6: Final answer
    x = 67,401.48

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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.