Home / 49,768.97-74,651.63-12,329.15

Finding the Fourth Proportional to 49,768.97, 74,651.63 and 12,329.15

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Solution

The fourth proportional to 49,768.97, 74,651.63 and 12,329.15 is: 18,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,768.97 : 74,651.63 = 12,329.15 : x
  2. Step 2: Convert to fraction form
    49,768.97/74,651.63 = 12,329.15/x
  3. Step 3: Cross multiply
    49,768.97x = 74,651.63 × 12,329.15
  4. Step 4: Simplify right side
    49,768.97x = 920,390,709.11
  5. Step 5: Solve for x
    x = 920,390,709.11/49,768.97
  6. Step 6: Final answer
    x = 18,493.27

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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.