Home / 54,857.90-82,278.45-17,413.09

Finding the Fourth Proportional to 54,857.90, 82,278.45 and 17,413.09

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Solution

The fourth proportional to 54,857.90, 82,278.45 and 17,413.09 is: 26,116.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,857.90 : 82,278.45 = 17,413.09 : x
  2. Step 2: Convert to fraction form
    54,857.90/82,278.45 = 17,413.09/x
  3. Step 3: Cross multiply
    54,857.90x = 82,278.45 × 17,413.09
  4. Step 4: Simplify right side
    54,857.90x = 1,432,721,849.21
  5. Step 5: Solve for x
    x = 1,432,721,849.21/54,857.90
  6. Step 6: Final answer
    x = 26,116.96

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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.