Home / 75,459.26-104,131.78-41,467.68

Finding the Fourth Proportional to 75,459.26, 104,131.78 and 41,467.68

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Solution

The fourth proportional to 75,459.26, 104,131.78 and 41,467.68 is: 57,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,459.26 : 104,131.78 = 41,467.68 : x
  2. Step 2: Convert to fraction form
    75,459.26/104,131.78 = 41,467.68/x
  3. Step 3: Cross multiply
    75,459.26x = 104,131.78 × 41,467.68
  4. Step 4: Simplify right side
    75,459.26x = 4,318,103,227.20
  5. Step 5: Solve for x
    x = 4,318,103,227.20/75,459.26
  6. Step 6: Final answer
    x = 57,224.30

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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.