Home / 87,606.96-131,408.52-28,442.52

Finding the Fourth Proportional to 87,606.96, 131,408.52 and 28,442.52

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Solution

The fourth proportional to 87,606.96, 131,408.52 and 28,442.52 is: 42,663.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,606.96 : 131,408.52 = 28,442.52 : x
  2. Step 2: Convert to fraction form
    87,606.96/131,408.52 = 28,442.52/x
  3. Step 3: Cross multiply
    87,606.96x = 131,408.52 × 28,442.52
  4. Step 4: Simplify right side
    87,606.96x = 3,737,589,458.27
  5. Step 5: Solve for x
    x = 3,737,589,458.27/87,606.96
  6. Step 6: Final answer
    x = 42,663.16

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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.