Home / 54,137.54-81,220.14-22,537.09

Finding the Fourth Proportional to 54,137.54, 81,220.14 and 22,537.09

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Solution

The fourth proportional to 54,137.54, 81,220.14 and 22,537.09 is: 33,811.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,137.54 : 81,220.14 = 22,537.09 : x
  2. Step 2: Convert to fraction form
    54,137.54/81,220.14 = 22,537.09/x
  3. Step 3: Cross multiply
    54,137.54x = 81,220.14 × 22,537.09
  4. Step 4: Simplify right side
    54,137.54x = 1,830,465,604.99
  5. Step 5: Solve for x
    x = 1,830,465,604.99/54,137.54
  6. Step 6: Final answer
    x = 33,811.39

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1.5x scale

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.