Home / 75,092.67-103,517.46-57,156.44

Finding the Fourth Proportional to 75,092.67, 103,517.46 and 57,156.44

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Solution

The fourth proportional to 75,092.67, 103,517.46 and 57,156.44 is: 78,791.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,092.67 : 103,517.46 = 57,156.44 : x
  2. Step 2: Convert to fraction form
    75,092.67/103,517.46 = 57,156.44/x
  3. Step 3: Cross multiply
    75,092.67x = 103,517.46 × 57,156.44
  4. Step 4: Simplify right side
    75,092.67x = 5,916,688,973.86
  5. Step 5: Solve for x
    x = 5,916,688,973.86/75,092.67
  6. Step 6: Final answer
    x = 78,791.83

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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.