Home / 54,966.89-82,450.52-13,413.89

Finding the Fourth Proportional to 54,966.89, 82,450.52 and 13,413.89

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Solution

The fourth proportional to 54,966.89, 82,450.52 and 13,413.89 is: 20,120.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,966.89 : 82,450.52 = 13,413.89 : x
  2. Step 2: Convert to fraction form
    54,966.89/82,450.52 = 13,413.89/x
  3. Step 3: Cross multiply
    54,966.89x = 82,450.52 × 13,413.89
  4. Step 4: Simplify right side
    54,966.89x = 1,105,981,827.00
  5. Step 5: Solve for x
    x = 1,105,981,827.00/54,966.89
  6. Step 6: Final answer
    x = 20,120.88

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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.