Home / 75,226.80-103,808.19-41,229.28

Finding the Fourth Proportional to 75,226.80, 103,808.19 and 41,229.28

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Solution

The fourth proportional to 75,226.80, 103,808.19 and 41,229.28 is: 56,893.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,226.80 : 103,808.19 = 41,229.28 : x
  2. Step 2: Convert to fraction form
    75,226.80/103,808.19 = 41,229.28/x
  3. Step 3: Cross multiply
    75,226.80x = 103,808.19 × 41,229.28
  4. Step 4: Simplify right side
    75,226.80x = 4,279,936,931.80
  5. Step 5: Solve for x
    x = 4,279,936,931.80/75,226.80
  6. Step 6: Final answer
    x = 56,893.78

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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.