Home / 75,579.28-104,342.61-50,120.26

Finding the Fourth Proportional to 75,579.28, 104,342.61 and 50,120.26

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Solution

The fourth proportional to 75,579.28, 104,342.61 and 50,120.26 is: 69,194.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,579.28 : 104,342.61 = 50,120.26 : x
  2. Step 2: Convert to fraction form
    75,579.28/104,342.61 = 50,120.26/x
  3. Step 3: Cross multiply
    75,579.28x = 104,342.61 × 50,120.26
  4. Step 4: Simplify right side
    75,579.28x = 5,229,678,742.28
  5. Step 5: Solve for x
    x = 5,229,678,742.28/75,579.28
  6. Step 6: Final answer
    x = 69,194.61

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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.