Home / 87,594.54-131,369.93-28,447.12

Finding the Fourth Proportional to 87,594.54, 131,369.93 and 28,447.12

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Solution

The fourth proportional to 87,594.54, 131,369.93 and 28,447.12 is: 42,663.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,594.54 : 131,369.93 = 28,447.12 : x
  2. Step 2: Convert to fraction form
    87,594.54/131,369.93 = 28,447.12/x
  3. Step 3: Cross multiply
    87,594.54x = 131,369.93 × 28,447.12
  4. Step 4: Simplify right side
    87,594.54x = 3,737,096,163.10
  5. Step 5: Solve for x
    x = 3,737,096,163.10/87,594.54
  6. Step 6: Final answer
    x = 42,663.57

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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.