Home / 87,763.23-131,561.81-54,049.98

Finding the Fourth Proportional to 87,763.23, 131,561.81 and 54,049.98

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Solution

The fourth proportional to 87,763.23, 131,561.81 and 54,049.98 is: 81,023.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,763.23 : 131,561.81 = 54,049.98 : x
  2. Step 2: Convert to fraction form
    87,763.23/131,561.81 = 54,049.98/x
  3. Step 3: Cross multiply
    87,763.23x = 131,561.81 × 54,049.98
  4. Step 4: Simplify right side
    87,763.23x = 7,110,912,929.01
  5. Step 5: Solve for x
    x = 7,110,912,929.01/87,763.23
  6. Step 6: Final answer
    x = 81,023.83

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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.