Home / 54,975.85-82,463.78-49,143.85

Finding the Fourth Proportional to 54,975.85, 82,463.78 and 49,143.85

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Solution

The fourth proportional to 54,975.85, 82,463.78 and 49,143.85 is: 73,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,975.85 : 82,463.78 = 49,143.85 : x
  2. Step 2: Convert to fraction form
    54,975.85/82,463.78 = 49,143.85/x
  3. Step 3: Cross multiply
    54,975.85x = 82,463.78 × 49,143.85
  4. Step 4: Simplify right side
    54,975.85x = 4,052,587,389.03
  5. Step 5: Solve for x
    x = 4,052,587,389.03/54,975.85
  6. Step 6: Final answer
    x = 73,715.78

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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.