Home / 81,177.24-111,952.08-50,965.41

Finding the Fourth Proportional to 81,177.24, 111,952.08 and 50,965.41

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Solution

The fourth proportional to 81,177.24, 111,952.08 and 50,965.41 is: 70,286.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,177.24 : 111,952.08 = 50,965.41 : x
  2. Step 2: Convert to fraction form
    81,177.24/111,952.08 = 50,965.41/x
  3. Step 3: Cross multiply
    81,177.24x = 111,952.08 × 50,965.41
  4. Step 4: Simplify right side
    81,177.24x = 5,705,683,657.55
  5. Step 5: Solve for x
    x = 5,705,683,657.55/81,177.24
  6. Step 6: Final answer
    x = 70,286.74

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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.