Home / 43,413.20-65,124.68-13,823.92

Finding the Fourth Proportional to 43,413.20, 65,124.68 and 13,823.92

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Solution

The fourth proportional to 43,413.20, 65,124.68 and 13,823.92 is: 20,737.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,413.20 : 65,124.68 = 13,823.92 : x
  2. Step 2: Convert to fraction form
    43,413.20/65,124.68 = 13,823.92/x
  3. Step 3: Cross multiply
    43,413.20x = 65,124.68 × 13,823.92
  4. Step 4: Simplify right side
    43,413.20x = 900,278,366.35
  5. Step 5: Solve for x
    x = 900,278,366.35/43,413.20
  6. Step 6: Final answer
    x = 20,737.43

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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.