Home / 54,648.98-81,976.36-17,211.96

Finding the Fourth Proportional to 54,648.98, 81,976.36 and 17,211.96

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Solution

The fourth proportional to 54,648.98, 81,976.36 and 17,211.96 is: 25,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,648.98 : 81,976.36 = 17,211.96 : x
  2. Step 2: Convert to fraction form
    54,648.98/81,976.36 = 17,211.96/x
  3. Step 3: Cross multiply
    54,648.98x = 81,976.36 × 17,211.96
  4. Step 4: Simplify right side
    54,648.98x = 1,410,973,829.27
  5. Step 5: Solve for x
    x = 1,410,973,829.27/54,648.98
  6. Step 6: Final answer
    x = 25,818.85

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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.