Home / 57,202.88-85,413.04-51,241.28

Finding the Fourth Proportional to 57,202.88, 85,413.04 and 51,241.28

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Solution

The fourth proportional to 57,202.88, 85,413.04 and 51,241.28 is: 76,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,202.88 : 85,413.04 = 51,241.28 : x
  2. Step 2: Convert to fraction form
    57,202.88/85,413.04 = 51,241.28/x
  3. Step 3: Cross multiply
    57,202.88x = 85,413.04 × 51,241.28
  4. Step 4: Simplify right side
    57,202.88x = 4,376,673,498.29
  5. Step 5: Solve for x
    x = 4,376,673,498.29/57,202.88
  6. Step 6: Final answer
    x = 76,511.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.