Home / 61,906.55-85,431.38-36,413.96

Finding the Fourth Proportional to 61,906.55, 85,431.38 and 36,413.96

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Solution

The fourth proportional to 61,906.55, 85,431.38 and 36,413.96 is: 50,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,906.55 : 85,431.38 = 36,413.96 : x
  2. Step 2: Convert to fraction form
    61,906.55/85,431.38 = 36,413.96/x
  3. Step 3: Cross multiply
    61,906.55x = 85,431.38 × 36,413.96
  4. Step 4: Simplify right side
    61,906.55x = 3,110,894,244.84
  5. Step 5: Solve for x
    x = 3,110,894,244.84/61,906.55
  6. Step 6: Final answer
    x = 50,251.46

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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.