Home / 71,413.11-98,557.26-39,588.14

Finding the Fourth Proportional to 71,413.11, 98,557.26 and 39,588.14

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Solution

The fourth proportional to 71,413.11, 98,557.26 and 39,588.14 is: 54,635.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,413.11 : 98,557.26 = 39,588.14 : x
  2. Step 2: Convert to fraction form
    71,413.11/98,557.26 = 39,588.14/x
  3. Step 3: Cross multiply
    71,413.11x = 98,557.26 × 39,588.14
  4. Step 4: Simplify right side
    71,413.11x = 3,901,698,704.83
  5. Step 5: Solve for x
    x = 3,901,698,704.83/71,413.11
  6. Step 6: Final answer
    x = 54,635.61

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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.