Home / 91,054.20-125,645.61-50,764.17

Finding the Fourth Proportional to 91,054.20, 125,645.61 and 50,764.17

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Solution

The fourth proportional to 91,054.20, 125,645.61 and 50,764.17 is: 70,049.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,054.20 : 125,645.61 = 50,764.17 : x
  2. Step 2: Convert to fraction form
    91,054.20/125,645.61 = 50,764.17/x
  3. Step 3: Cross multiply
    91,054.20x = 125,645.61 × 50,764.17
  4. Step 4: Simplify right side
    91,054.20x = 6,378,295,105.79
  5. Step 5: Solve for x
    x = 6,378,295,105.79/91,054.20
  6. Step 6: Final answer
    x = 70,049.43

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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.