Home / 40,761.14-61,135.17-11,172.11

Finding the Fourth Proportional to 40,761.14, 61,135.17 and 11,172.11

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Solution

The fourth proportional to 40,761.14, 61,135.17 and 11,172.11 is: 16,756.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,761.14 : 61,135.17 = 11,172.11 : x
  2. Step 2: Convert to fraction form
    40,761.14/61,135.17 = 11,172.11/x
  3. Step 3: Cross multiply
    40,761.14x = 61,135.17 × 11,172.11
  4. Step 4: Simplify right side
    40,761.14x = 683,008,538.43
  5. Step 5: Solve for x
    x = 683,008,538.43/40,761.14
  6. Step 6: Final answer
    x = 16,756.37

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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.