Home / 77,799.69-116,691.03-25,195.05

Finding the Fourth Proportional to 77,799.69, 116,691.03 and 25,195.05

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Solution

The fourth proportional to 77,799.69, 116,691.03 and 25,195.05 is: 37,789.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,799.69 : 116,691.03 = 25,195.05 : x
  2. Step 2: Convert to fraction form
    77,799.69/116,691.03 = 25,195.05/x
  3. Step 3: Cross multiply
    77,799.69x = 116,691.03 × 25,195.05
  4. Step 4: Simplify right side
    77,799.69x = 2,940,036,335.40
  5. Step 5: Solve for x
    x = 2,940,036,335.40/77,799.69
  6. Step 6: Final answer
    x = 37,789.82

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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.