Home / 107,493.12-161,262.60-36,413.28

Finding the Fourth Proportional to 107,493.12, 161,262.60 and 36,413.28

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Solution

The fourth proportional to 107,493.12, 161,262.60 and 36,413.28 is: 54,627.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,493.12 : 161,262.60 = 36,413.28 : x
  2. Step 2: Convert to fraction form
    107,493.12/161,262.60 = 36,413.28/x
  3. Step 3: Cross multiply
    107,493.12x = 161,262.60 × 36,413.28
  4. Step 4: Simplify right side
    107,493.12x = 5,872,100,207.33
  5. Step 5: Solve for x
    x = 5,872,100,207.33/107,493.12
  6. Step 6: Final answer
    x = 54,627.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.