Home / 75,578.77-104,341.92-50,119.75

Finding the Fourth Proportional to 75,578.77, 104,341.92 and 50,119.75

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Solution

The fourth proportional to 75,578.77, 104,341.92 and 50,119.75 is: 69,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,578.77 : 104,341.92 = 50,119.75 : x
  2. Step 2: Convert to fraction form
    75,578.77/104,341.92 = 50,119.75/x
  3. Step 3: Cross multiply
    75,578.77x = 104,341.92 × 50,119.75
  4. Step 4: Simplify right side
    75,578.77x = 5,229,590,944.92
  5. Step 5: Solve for x
    x = 5,229,590,944.92/75,578.77
  6. Step 6: Final answer
    x = 69,193.91

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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.