Home / 76,578.06-114,750.18-32,180.61

Finding the Fourth Proportional to 76,578.06, 114,750.18 and 32,180.61

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Solution

The fourth proportional to 76,578.06, 114,750.18 and 32,180.61 is: 48,221.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,578.06 : 114,750.18 = 32,180.61 : x
  2. Step 2: Convert to fraction form
    76,578.06/114,750.18 = 32,180.61/x
  3. Step 3: Cross multiply
    76,578.06x = 114,750.18 × 32,180.61
  4. Step 4: Simplify right side
    76,578.06x = 3,692,730,790.01
  5. Step 5: Solve for x
    x = 3,692,730,790.01/76,578.06
  6. Step 6: Final answer
    x = 48,221.79

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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.