Home / 82,879.79-124,318.77-49,609.14

Finding the Fourth Proportional to 82,879.79, 124,318.77 and 49,609.14

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Solution

The fourth proportional to 82,879.79, 124,318.77 and 49,609.14 is: 74,413.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,879.79 : 124,318.77 = 49,609.14 : x
  2. Step 2: Convert to fraction form
    82,879.79/124,318.77 = 49,609.14/x
  3. Step 3: Cross multiply
    82,879.79x = 124,318.77 × 49,609.14
  4. Step 4: Simplify right side
    82,879.79x = 6,167,347,917.79
  5. Step 5: Solve for x
    x = 6,167,347,917.79/82,879.79
  6. Step 6: Final answer
    x = 74,413.17

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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.