Home / 78,194.84-117,479.22-50,169.95

Finding the Fourth Proportional to 78,194.84, 117,479.22 and 50,169.95

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Solution

The fourth proportional to 78,194.84, 117,479.22 and 50,169.95 is: 75,374.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,194.84 : 117,479.22 = 50,169.95 : x
  2. Step 2: Convert to fraction form
    78,194.84/117,479.22 = 50,169.95/x
  3. Step 3: Cross multiply
    78,194.84x = 117,479.22 × 50,169.95
  4. Step 4: Simplify right side
    78,194.84x = 5,893,926,006.04
  5. Step 5: Solve for x
    x = 5,893,926,006.04/78,194.84
  6. Step 6: Final answer
    x = 75,374.87

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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.