Home / 115,149.50-172,650.03-48,571.82

Finding the Fourth Proportional to 115,149.50, 172,650.03 and 48,571.82

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Solution

The fourth proportional to 115,149.50, 172,650.03 and 48,571.82 is: 72,826.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,149.50 : 172,650.03 = 48,571.82 : x
  2. Step 2: Convert to fraction form
    115,149.50/172,650.03 = 48,571.82/x
  3. Step 3: Cross multiply
    115,149.50x = 172,650.03 × 48,571.82
  4. Step 4: Simplify right side
    115,149.50x = 8,385,926,180.15
  5. Step 5: Solve for x
    x = 8,385,926,180.15/115,149.50
  6. Step 6: Final answer
    x = 72,826.42

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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.