Home / 41,158.18-61,821.64-27,138.43

Finding the Fourth Proportional to 41,158.18, 61,821.64 and 27,138.43

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Solution

The fourth proportional to 41,158.18, 61,821.64 and 27,138.43 is: 40,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,158.18 : 61,821.64 = 27,138.43 : x
  2. Step 2: Convert to fraction form
    41,158.18/61,821.64 = 27,138.43/x
  3. Step 3: Cross multiply
    41,158.18x = 61,821.64 × 27,138.43
  4. Step 4: Simplify right side
    41,158.18x = 1,677,742,128.99
  5. Step 5: Solve for x
    x = 1,677,742,128.99/41,158.18
  6. Step 6: Final answer
    x = 40,763.28

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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.