Home / 75,716.26-104,487.98-41,724

Finding the Fourth Proportional to 75,716.26, 104,487.98 and 41,724

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Solution

The fourth proportional to 75,716.26, 104,487.98 and 41,724 is: 57,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,716.26 : 104,487.98 = 41,724 : x
  2. Step 2: Convert to fraction form
    75,716.26/104,487.98 = 41,724/x
  3. Step 3: Cross multiply
    75,716.26x = 104,487.98 × 41,724
  4. Step 4: Simplify right side
    75,716.26x = 4,359,656,268.90
  5. Step 5: Solve for x
    x = 4,359,656,268.90/75,716.26
  6. Step 6: Final answer
    x = 57,578.87

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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.