Home / 87,761.98-131,559.93-54,048.73

Finding the Fourth Proportional to 87,761.98, 131,559.93 and 54,048.73

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Solution

The fourth proportional to 87,761.98, 131,559.93 and 54,048.73 is: 81,021.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,761.98 : 131,559.93 = 54,048.73 : x
  2. Step 2: Convert to fraction form
    87,761.98/131,559.93 = 54,048.73/x
  3. Step 3: Cross multiply
    87,761.98x = 131,559.93 × 54,048.73
  4. Step 4: Simplify right side
    87,761.98x = 7,110,646,806.49
  5. Step 5: Solve for x
    x = 7,110,646,806.49/87,761.98
  6. Step 6: Final answer
    x = 81,021.95

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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.