Home / 54,831.06-82,249.83-17,390.43

Finding the Fourth Proportional to 54,831.06, 82,249.83 and 17,390.43

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Solution

The fourth proportional to 54,831.06, 82,249.83 and 17,390.43 is: 26,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,831.06 : 82,249.83 = 17,390.43 : x
  2. Step 2: Convert to fraction form
    54,831.06/82,249.83 = 17,390.43/x
  3. Step 3: Cross multiply
    54,831.06x = 82,249.83 × 17,390.43
  4. Step 4: Simplify right side
    54,831.06x = 1,430,359,911.13
  5. Step 5: Solve for x
    x = 1,430,359,911.13/54,831.06
  6. Step 6: Final answer
    x = 26,086.67

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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.