Home / 82,869.85-124,413.18-49,197.34

Finding the Fourth Proportional to 82,869.85, 124,413.18 and 49,197.34

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Solution

The fourth proportional to 82,869.85, 124,413.18 and 49,197.34 is: 73,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,869.85 : 124,413.18 = 49,197.34 : x
  2. Step 2: Convert to fraction form
    82,869.85/124,413.18 = 49,197.34/x
  3. Step 3: Cross multiply
    82,869.85x = 124,413.18 × 49,197.34
  4. Step 4: Simplify right side
    82,869.85x = 6,120,797,516.94
  5. Step 5: Solve for x
    x = 6,120,797,516.94/82,869.85
  6. Step 6: Final answer
    x = 73,860.37

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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.