Home / 75,629.70-113,297.13-43,961.94

Finding the Fourth Proportional to 75,629.70, 113,297.13 and 43,961.94

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Solution

The fourth proportional to 75,629.70, 113,297.13 and 43,961.94 is: 65,857.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,629.70 : 113,297.13 = 43,961.94 : x
  2. Step 2: Convert to fraction form
    75,629.70/113,297.13 = 43,961.94/x
  3. Step 3: Cross multiply
    75,629.70x = 113,297.13 × 43,961.94
  4. Step 4: Simplify right side
    75,629.70x = 4,980,761,631.23
  5. Step 5: Solve for x
    x = 4,980,761,631.23/75,629.70
  6. Step 6: Final answer
    x = 65,857.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.