Home / 57,825.47-79,755.11-49,772.82

Finding the Fourth Proportional to 57,825.47, 79,755.11 and 49,772.82

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Solution

The fourth proportional to 57,825.47, 79,755.11 and 49,772.82 is: 68,648.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,825.47 : 79,755.11 = 49,772.82 : x
  2. Step 2: Convert to fraction form
    57,825.47/79,755.11 = 49,772.82/x
  3. Step 3: Cross multiply
    57,825.47x = 79,755.11 × 49,772.82
  4. Step 4: Simplify right side
    57,825.47x = 3,969,636,734.11
  5. Step 5: Solve for x
    x = 3,969,636,734.11/57,825.47
  6. Step 6: Final answer
    x = 68,648.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.