Home / 75,329.12-103,953.90-41,338.18

Finding the Fourth Proportional to 75,329.12, 103,953.90 and 41,338.18

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Solution

The fourth proportional to 75,329.12, 103,953.90 and 41,338.18 is: 57,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,329.12 : 103,953.90 = 41,338.18 : x
  2. Step 2: Convert to fraction form
    75,329.12/103,953.90 = 41,338.18/x
  3. Step 3: Cross multiply
    75,329.12x = 103,953.90 × 41,338.18
  4. Step 4: Simplify right side
    75,329.12x = 4,297,265,029.90
  5. Step 5: Solve for x
    x = 4,297,265,029.90/75,329.12
  6. Step 6: Final answer
    x = 57,046.53

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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.