Home / 41,172.94-61,761.23-20,087.96

Finding the Fourth Proportional to 41,172.94, 61,761.23 and 20,087.96

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Solution

The fourth proportional to 41,172.94, 61,761.23 and 20,087.96 is: 30,132.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,172.94 : 61,761.23 = 20,087.96 : x
  2. Step 2: Convert to fraction form
    41,172.94/61,761.23 = 20,087.96/x
  3. Step 3: Cross multiply
    41,172.94x = 61,761.23 × 20,087.96
  4. Step 4: Simplify right side
    41,172.94x = 1,240,657,017.35
  5. Step 5: Solve for x
    x = 1,240,657,017.35/41,172.94
  6. Step 6: Final answer
    x = 30,132.83

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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.