Home / 54,650.67-75,761.85-51,657.21

Finding the Fourth Proportional to 54,650.67, 75,761.85 and 51,657.21

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Solution

The fourth proportional to 54,650.67, 75,761.85 and 51,657.21 is: 71,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,650.67 : 75,761.85 = 51,657.21 : x
  2. Step 2: Convert to fraction form
    54,650.67/75,761.85 = 51,657.21/x
  3. Step 3: Cross multiply
    54,650.67x = 75,761.85 × 51,657.21
  4. Step 4: Simplify right side
    54,650.67x = 3,913,645,795.44
  5. Step 5: Solve for x
    x = 3,913,645,795.44/54,650.67
  6. Step 6: Final answer
    x = 71,612.04

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.