Home / 49,087.85-73,631.78-15,811.28

Finding the Fourth Proportional to 49,087.85, 73,631.78 and 15,811.28

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Solution

The fourth proportional to 49,087.85, 73,631.78 and 15,811.28 is: 23,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,087.85 : 73,631.78 = 15,811.28 : x
  2. Step 2: Convert to fraction form
    49,087.85/73,631.78 = 15,811.28/x
  3. Step 3: Cross multiply
    49,087.85x = 73,631.78 × 15,811.28
  4. Step 4: Simplify right side
    49,087.85x = 1,164,212,243.26
  5. Step 5: Solve for x
    x = 1,164,212,243.26/49,087.85
  6. Step 6: Final answer
    x = 23,716.91

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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.