Home / 87,713.04-131,511.72-31,524.96

Finding the Fourth Proportional to 87,713.04, 131,511.72 and 31,524.96

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Solution

The fourth proportional to 87,713.04, 131,511.72 and 31,524.96 is: 47,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,713.04 : 131,511.72 = 31,524.96 : x
  2. Step 2: Convert to fraction form
    87,713.04/131,511.72 = 31,524.96/x
  3. Step 3: Cross multiply
    87,713.04x = 131,511.72 × 31,524.96
  4. Step 4: Simplify right side
    87,713.04x = 4,145,901,712.53
  5. Step 5: Solve for x
    x = 4,145,901,712.53/87,713.04
  6. Step 6: Final answer
    x = 47,266.65

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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.