Home / 75,118.20-103,664.34-41,126.13

Finding the Fourth Proportional to 75,118.20, 103,664.34 and 41,126.13

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Solution

The fourth proportional to 75,118.20, 103,664.34 and 41,126.13 is: 56,754.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,118.20 : 103,664.34 = 41,126.13 : x
  2. Step 2: Convert to fraction form
    75,118.20/103,664.34 = 41,126.13/x
  3. Step 3: Cross multiply
    75,118.20x = 103,664.34 × 41,126.13
  4. Step 4: Simplify right side
    75,118.20x = 4,263,313,123.20
  5. Step 5: Solve for x
    x = 4,263,313,123.20/75,118.20
  6. Step 6: Final answer
    x = 56,754.73

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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.