Home / 91,235.24-125,903.42-50,949.70

Finding the Fourth Proportional to 91,235.24, 125,903.42 and 50,949.70

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Solution

The fourth proportional to 91,235.24, 125,903.42 and 50,949.70 is: 70,309.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,235.24 : 125,903.42 = 50,949.70 : x
  2. Step 2: Convert to fraction form
    91,235.24/125,903.42 = 50,949.70/x
  3. Step 3: Cross multiply
    91,235.24x = 125,903.42 × 50,949.70
  4. Step 4: Simplify right side
    91,235.24x = 6,414,741,477.97
  5. Step 5: Solve for x
    x = 6,414,741,477.97/91,235.24
  6. Step 6: Final answer
    x = 70,309.91

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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.