Home / 54,136.54-81,218.64-22,536.09

Finding the Fourth Proportional to 54,136.54, 81,218.64 and 22,536.09

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Solution

The fourth proportional to 54,136.54, 81,218.64 and 22,536.09 is: 33,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,136.54 : 81,218.64 = 22,536.09 : x
  2. Step 2: Convert to fraction form
    54,136.54/81,218.64 = 22,536.09/x
  3. Step 3: Cross multiply
    54,136.54x = 81,218.64 × 22,536.09
  4. Step 4: Simplify right side
    54,136.54x = 1,830,350,580.72
  5. Step 5: Solve for x
    x = 1,830,350,580.72/54,136.54
  6. Step 6: Final answer
    x = 33,809.90

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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.