Home / 80,709.57-111,378.68-44,413.23

Finding the Fourth Proportional to 80,709.57, 111,378.68 and 44,413.23

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Solution

The fourth proportional to 80,709.57, 111,378.68 and 44,413.23 is: 61,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,709.57 : 111,378.68 = 44,413.23 : x
  2. Step 2: Convert to fraction form
    80,709.57/111,378.68 = 44,413.23/x
  3. Step 3: Cross multiply
    80,709.57x = 111,378.68 × 44,413.23
  4. Step 4: Simplify right side
    80,709.57x = 4,946,687,294.09
  5. Step 5: Solve for x
    x = 4,946,687,294.09/80,709.57
  6. Step 6: Final answer
    x = 61,289.97

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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.