Home / 91,218.05-125,879.60-50,932.44

Finding the Fourth Proportional to 91,218.05, 125,879.60 and 50,932.44

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Solution

The fourth proportional to 91,218.05, 125,879.60 and 50,932.44 is: 70,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,218.05 : 125,879.60 = 50,932.44 : x
  2. Step 2: Convert to fraction form
    91,218.05/125,879.60 = 50,932.44/x
  3. Step 3: Cross multiply
    91,218.05x = 125,879.60 × 50,932.44
  4. Step 4: Simplify right side
    91,218.05x = 6,411,354,919.56
  5. Step 5: Solve for x
    x = 6,411,354,919.56/91,218.05
  6. Step 6: Final answer
    x = 70,286.04

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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.