Home / 41,418.45-62,129.73-11,840.64

Finding the Fourth Proportional to 41,418.45, 62,129.73 and 11,840.64

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Solution

The fourth proportional to 41,418.45, 62,129.73 and 11,840.64 is: 17,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,418.45 : 62,129.73 = 11,840.64 : x
  2. Step 2: Convert to fraction form
    41,418.45/62,129.73 = 11,840.64/x
  3. Step 3: Cross multiply
    41,418.45x = 62,129.73 × 11,840.64
  4. Step 4: Simplify right side
    41,418.45x = 735,655,707.02
  5. Step 5: Solve for x
    x = 735,655,707.02/41,418.45
  6. Step 6: Final answer
    x = 17,761.55

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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.