Home / 54,749.76-82,013.76-43,008

Finding the Fourth Proportional to 54,749.76, 82,013.76 and 43,008

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Solution

The fourth proportional to 54,749.76, 82,013.76 and 43,008 is: 64,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,749.76 : 82,013.76 = 43,008 : x
  2. Step 2: Convert to fraction form
    54,749.76/82,013.76 = 43,008/x
  3. Step 3: Cross multiply
    54,749.76x = 82,013.76 × 43,008
  4. Step 4: Simplify right side
    54,749.76x = 3,527,247,790.08
  5. Step 5: Solve for x
    x = 3,527,247,790.08/54,749.76
  6. Step 6: Final answer
    x = 64,424.90

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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.