Home / 75,380.22-104,026.02-41,391.90

Finding the Fourth Proportional to 75,380.22, 104,026.02 and 41,391.90

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Solution

The fourth proportional to 75,380.22, 104,026.02 and 41,391.90 is: 57,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,380.22 : 104,026.02 = 41,391.90 : x
  2. Step 2: Convert to fraction form
    75,380.22/104,026.02 = 41,391.90/x
  3. Step 3: Cross multiply
    75,380.22x = 104,026.02 × 41,391.90
  4. Step 4: Simplify right side
    75,380.22x = 4,305,834,617.24
  5. Step 5: Solve for x
    x = 4,305,834,617.24/75,380.22
  6. Step 6: Final answer
    x = 57,121.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.