Home / 312,724.24-469,081.88-76,067.34

Finding the Fourth Proportional to 312,724.24, 469,081.88 and 76,067.34

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Solution

The fourth proportional to 312,724.24, 469,081.88 and 76,067.34 is: 114,099.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,724.24 : 469,081.88 = 76,067.34 : x
  2. Step 2: Convert to fraction form
    312,724.24/469,081.88 = 76,067.34/x
  3. Step 3: Cross multiply
    312,724.24x = 469,081.88 × 76,067.34
  4. Step 4: Simplify right side
    312,724.24x = 35,681,810,853.80
  5. Step 5: Solve for x
    x = 35,681,810,853.80/312,724.24
  6. Step 6: Final answer
    x = 114,099.92

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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.