Home / 54,413.75-75,091.25-31,768.45

Finding the Fourth Proportional to 54,413.75, 75,091.25 and 31,768.45

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Solution

The fourth proportional to 54,413.75, 75,091.25 and 31,768.45 is: 43,840.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,413.75 : 75,091.25 = 31,768.45 : x
  2. Step 2: Convert to fraction form
    54,413.75/75,091.25 = 31,768.45/x
  3. Step 3: Cross multiply
    54,413.75x = 75,091.25 × 31,768.45
  4. Step 4: Simplify right side
    54,413.75x = 2,385,532,086.76
  5. Step 5: Solve for x
    x = 2,385,532,086.76/54,413.75
  6. Step 6: Final answer
    x = 43,840.61

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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.