Home / 81,073.24-121,744.72-50,105.32

Finding the Fourth Proportional to 81,073.24, 121,744.72 and 50,105.32

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Solution

The fourth proportional to 81,073.24, 121,744.72 and 50,105.32 is: 75,241.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,073.24 : 121,744.72 = 50,105.32 : x
  2. Step 2: Convert to fraction form
    81,073.24/121,744.72 = 50,105.32/x
  3. Step 3: Cross multiply
    81,073.24x = 121,744.72 × 50,105.32
  4. Step 4: Simplify right side
    81,073.24x = 6,100,058,153.91
  5. Step 5: Solve for x
    x = 6,100,058,153.91/81,073.24
  6. Step 6: Final answer
    x = 75,241.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.