Home / 45,874.06-68,794.58-15,880.15

Finding the Fourth Proportional to 45,874.06, 68,794.58 and 15,880.15

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Solution

The fourth proportional to 45,874.06, 68,794.58 and 15,880.15 is: 23,814.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,874.06 : 68,794.58 = 15,880.15 : x
  2. Step 2: Convert to fraction form
    45,874.06/68,794.58 = 15,880.15/x
  3. Step 3: Cross multiply
    45,874.06x = 68,794.58 × 15,880.15
  4. Step 4: Simplify right side
    45,874.06x = 1,092,468,249.59
  5. Step 5: Solve for x
    x = 1,092,468,249.59/45,874.06
  6. Step 6: Final answer
    x = 23,814.51

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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.