Home / 79,922.88-119,046.60-75,879.36

Finding the Fourth Proportional to 79,922.88, 119,046.60 and 75,879.36

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Solution

The fourth proportional to 79,922.88, 119,046.60 and 75,879.36 is: 113,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,922.88 : 119,046.60 = 75,879.36 : x
  2. Step 2: Convert to fraction form
    79,922.88/119,046.60 = 75,879.36/x
  3. Step 3: Cross multiply
    79,922.88x = 119,046.60 × 75,879.36
  4. Step 4: Simplify right side
    79,922.88x = 9,033,179,818.18
  5. Step 5: Solve for x
    x = 9,033,179,818.18/79,922.88
  6. Step 6: Final answer
    x = 113,023.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.