Home / 57,413.73-79,221.36-31,919.37

Finding the Fourth Proportional to 57,413.73, 79,221.36 and 31,919.37

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Solution

The fourth proportional to 57,413.73, 79,221.36 and 31,919.37 is: 44,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,413.73 : 79,221.36 = 31,919.37 : x
  2. Step 2: Convert to fraction form
    57,413.73/79,221.36 = 31,919.37/x
  3. Step 3: Cross multiply
    57,413.73x = 79,221.36 × 31,919.37
  4. Step 4: Simplify right side
    57,413.73x = 2,528,695,901.74
  5. Step 5: Solve for x
    x = 2,528,695,901.74/57,413.73
  6. Step 6: Final answer
    x = 44,043.40

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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.