Home / 79,074.87-118,618.38-22,915.75

Finding the Fourth Proportional to 79,074.87, 118,618.38 and 22,915.75

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Solution

The fourth proportional to 79,074.87, 118,618.38 and 22,915.75 is: 34,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,074.87 : 118,618.38 = 22,915.75 : x
  2. Step 2: Convert to fraction form
    79,074.87/118,618.38 = 22,915.75/x
  3. Step 3: Cross multiply
    79,074.87x = 118,618.38 × 22,915.75
  4. Step 4: Simplify right side
    79,074.87x = 2,718,228,548.39
  5. Step 5: Solve for x
    x = 2,718,228,548.39/79,074.87
  6. Step 6: Final answer
    x = 34,375.38

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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.