Home / 75,961.77-113,932.11-19,797.33

Finding the Fourth Proportional to 75,961.77, 113,932.11 and 19,797.33

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Solution

The fourth proportional to 75,961.77, 113,932.11 and 19,797.33 is: 29,693.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,961.77 : 113,932.11 = 19,797.33 : x
  2. Step 2: Convert to fraction form
    75,961.77/113,932.11 = 19,797.33/x
  3. Step 3: Cross multiply
    75,961.77x = 113,932.11 × 19,797.33
  4. Step 4: Simplify right side
    75,961.77x = 2,255,551,579.27
  5. Step 5: Solve for x
    x = 2,255,551,579.27/75,961.77
  6. Step 6: Final answer
    x = 29,693.25

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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.