Home / 54,661.47-81,905.85-41,271.09

Finding the Fourth Proportional to 54,661.47, 81,905.85 and 41,271.09

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Solution

The fourth proportional to 54,661.47, 81,905.85 and 41,271.09 is: 61,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,661.47 : 81,905.85 = 41,271.09 : x
  2. Step 2: Convert to fraction form
    54,661.47/81,905.85 = 41,271.09/x
  3. Step 3: Cross multiply
    54,661.47x = 81,905.85 × 41,271.09
  4. Step 4: Simplify right side
    54,661.47x = 3,380,343,706.88
  5. Step 5: Solve for x
    x = 3,380,343,706.88/54,661.47
  6. Step 6: Final answer
    x = 61,841.43

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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.