Home / 75,108.25-103,648.53-41,116.33

Finding the Fourth Proportional to 75,108.25, 103,648.53 and 41,116.33

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Solution

The fourth proportional to 75,108.25, 103,648.53 and 41,116.33 is: 56,740.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,108.25 : 103,648.53 = 41,116.33 : x
  2. Step 2: Convert to fraction form
    75,108.25/103,648.53 = 41,116.33/x
  3. Step 3: Cross multiply
    75,108.25x = 103,648.53 × 41,116.33
  4. Step 4: Simplify right side
    75,108.25x = 4,261,647,163.49
  5. Step 5: Solve for x
    x = 4,261,647,163.49/75,108.25
  6. Step 6: Final answer
    x = 56,740.07

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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.