Home / 54,905.43-82,358.15-13,352.07

Finding the Fourth Proportional to 54,905.43, 82,358.15 and 13,352.07

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Solution

The fourth proportional to 54,905.43, 82,358.15 and 13,352.07 is: 20,028.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,905.43 : 82,358.15 = 13,352.07 : x
  2. Step 2: Convert to fraction form
    54,905.43/82,358.15 = 13,352.07/x
  3. Step 3: Cross multiply
    54,905.43x = 82,358.15 × 13,352.07
  4. Step 4: Simplify right side
    54,905.43x = 1,099,651,717.11
  5. Step 5: Solve for x
    x = 1,099,651,717.11/54,905.43
  6. Step 6: Final answer
    x = 20,028.11

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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.