Home / 95,205.15-142,778.94-28,627.61

Finding the Fourth Proportional to 95,205.15, 142,778.94 and 28,627.61

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Solution

The fourth proportional to 95,205.15, 142,778.94 and 28,627.61 is: 42,932.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,205.15 : 142,778.94 = 28,627.61 : x
  2. Step 2: Convert to fraction form
    95,205.15/142,778.94 = 28,627.61/x
  3. Step 3: Cross multiply
    95,205.15x = 142,778.94 × 28,627.61
  4. Step 4: Simplify right side
    95,205.15x = 4,087,419,096.64
  5. Step 5: Solve for x
    x = 4,087,419,096.64/95,205.15
  6. Step 6: Final answer
    x = 42,932.75

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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.