Home / 75,118.70-103,665.03-41,126.62

Finding the Fourth Proportional to 75,118.70, 103,665.03 and 41,126.62

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Solution

The fourth proportional to 75,118.70, 103,665.03 and 41,126.62 is: 56,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,118.70 : 103,665.03 = 41,126.62 : x
  2. Step 2: Convert to fraction form
    75,118.70/103,665.03 = 41,126.62/x
  3. Step 3: Cross multiply
    75,118.70x = 103,665.03 × 41,126.62
  4. Step 4: Simplify right side
    75,118.70x = 4,263,392,296.10
  5. Step 5: Solve for x
    x = 4,263,392,296.10/75,118.70
  6. Step 6: Final answer
    x = 56,755.41

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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.