Home / 54,273.30-81,422.10-16,835.10

Finding the Fourth Proportional to 54,273.30, 81,422.10 and 16,835.10

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Solution

The fourth proportional to 54,273.30, 81,422.10 and 16,835.10 is: 25,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,273.30 : 81,422.10 = 16,835.10 : x
  2. Step 2: Convert to fraction form
    54,273.30/81,422.10 = 16,835.10/x
  3. Step 3: Cross multiply
    54,273.30x = 81,422.10 × 16,835.10
  4. Step 4: Simplify right side
    54,273.30x = 1,370,749,195.71
  5. Step 5: Solve for x
    x = 1,370,749,195.71/54,273.30
  6. Step 6: Final answer
    x = 25,256.42

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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.