Home / 54,193.57-81,222.64-26,108.39

Finding the Fourth Proportional to 54,193.57, 81,222.64 and 26,108.39

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Solution

The fourth proportional to 54,193.57, 81,222.64 and 26,108.39 is: 39,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,193.57 : 81,222.64 = 26,108.39 : x
  2. Step 2: Convert to fraction form
    54,193.57/81,222.64 = 26,108.39/x
  3. Step 3: Cross multiply
    54,193.57x = 81,222.64 × 26,108.39
  4. Step 4: Simplify right side
    54,193.57x = 2,120,591,955.84
  5. Step 5: Solve for x
    x = 2,120,591,955.84/54,193.57
  6. Step 6: Final answer
    x = 39,129.96

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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.