Home / 86,246.68-118,976.87-50,413.28

Finding the Fourth Proportional to 86,246.68, 118,976.87 and 50,413.28

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Solution

The fourth proportional to 86,246.68, 118,976.87 and 50,413.28 is: 69,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,246.68 : 118,976.87 = 50,413.28 : x
  2. Step 2: Convert to fraction form
    86,246.68/118,976.87 = 50,413.28/x
  3. Step 3: Cross multiply
    86,246.68x = 118,976.87 × 50,413.28
  4. Step 4: Simplify right side
    86,246.68x = 5,998,014,260.83
  5. Step 5: Solve for x
    x = 5,998,014,260.83/86,246.68
  6. Step 6: Final answer
    x = 69,544.87

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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.