Home / 75,836.84-113,793.66-51,161

Finding the Fourth Proportional to 75,836.84, 113,793.66 and 51,161

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Solution

The fourth proportional to 75,836.84, 113,793.66 and 51,161 is: 76,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,836.84 : 113,793.66 = 51,161 : x
  2. Step 2: Convert to fraction form
    75,836.84/113,793.66 = 51,161/x
  3. Step 3: Cross multiply
    75,836.84x = 113,793.66 × 51,161
  4. Step 4: Simplify right side
    75,836.84x = 5,821,797,439.26
  5. Step 5: Solve for x
    x = 5,821,797,439.26/75,836.84
  6. Step 6: Final answer
    x = 76,767.41

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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.