Home / 87,775.05-131,676.23-28,596.95

Finding the Fourth Proportional to 87,775.05, 131,676.23 and 28,596.95

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Solution

The fourth proportional to 87,775.05, 131,676.23 and 28,596.95 is: 42,899.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,775.05 : 131,676.23 = 28,596.95 : x
  2. Step 2: Convert to fraction form
    87,775.05/131,676.23 = 28,596.95/x
  3. Step 3: Cross multiply
    87,775.05x = 131,676.23 × 28,596.95
  4. Step 4: Simplify right side
    87,775.05x = 3,765,538,565.50
  5. Step 5: Solve for x
    x = 3,765,538,565.50/87,775.05
  6. Step 6: Final answer
    x = 42,899.87

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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.