Home / 51,413.59-70,952.21-28,753.43

Finding the Fourth Proportional to 51,413.59, 70,952.21 and 28,753.43

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Solution

The fourth proportional to 51,413.59, 70,952.21 and 28,753.43 is: 39,680.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,413.59 : 70,952.21 = 28,753.43 : x
  2. Step 2: Convert to fraction form
    51,413.59/70,952.21 = 28,753.43/x
  3. Step 3: Cross multiply
    51,413.59x = 70,952.21 × 28,753.43
  4. Step 4: Simplify right side
    51,413.59x = 2,040,119,403.58
  5. Step 5: Solve for x
    x = 2,040,119,403.58/51,413.59
  6. Step 6: Final answer
    x = 39,680.55

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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.