Home / 43,141.05-64,255.79-41,221.53

Finding the Fourth Proportional to 43,141.05, 64,255.79 and 41,221.53

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Solution

The fourth proportional to 43,141.05, 64,255.79 and 41,221.53 is: 61,396.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,141.05 : 64,255.79 = 41,221.53 : x
  2. Step 2: Convert to fraction form
    43,141.05/64,255.79 = 41,221.53/x
  3. Step 3: Cross multiply
    43,141.05x = 64,255.79 × 41,221.53
  4. Step 4: Simplify right side
    43,141.05x = 2,648,722,078.21
  5. Step 5: Solve for x
    x = 2,648,722,078.21/43,141.05
  6. Step 6: Final answer
    x = 61,396.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.