Home / 76,640.20-114,899.82-32,273.80

Finding the Fourth Proportional to 76,640.20, 114,899.82 and 32,273.80

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Solution

The fourth proportional to 76,640.20, 114,899.82 and 32,273.80 is: 48,385.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,640.20 : 114,899.82 = 32,273.80 : x
  2. Step 2: Convert to fraction form
    76,640.20/114,899.82 = 32,273.80/x
  3. Step 3: Cross multiply
    76,640.20x = 114,899.82 × 32,273.80
  4. Step 4: Simplify right side
    76,640.20x = 3,708,253,810.72
  5. Step 5: Solve for x
    x = 3,708,253,810.72/76,640.20
  6. Step 6: Final answer
    x = 48,385.23

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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.