Home / 81,910.85-122,708.70-50,228.42

Finding the Fourth Proportional to 81,910.85, 122,708.70 and 50,228.42

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Solution

The fourth proportional to 81,910.85, 122,708.70 and 50,228.42 is: 75,246.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,910.85 : 122,708.70 = 50,228.42 : x
  2. Step 2: Convert to fraction form
    81,910.85/122,708.70 = 50,228.42/x
  3. Step 3: Cross multiply
    81,910.85x = 122,708.70 × 50,228.42
  4. Step 4: Simplify right side
    81,910.85x = 6,163,463,507.71
  5. Step 5: Solve for x
    x = 6,163,463,507.71/81,910.85
  6. Step 6: Final answer
    x = 75,246.00

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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.