Home / 54,575.94-81,885.78-17,141.80

Finding the Fourth Proportional to 54,575.94, 81,885.78 and 17,141.80

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Solution

The fourth proportional to 54,575.94, 81,885.78 and 17,141.80 is: 25,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,575.94 : 81,885.78 = 17,141.80 : x
  2. Step 2: Convert to fraction form
    54,575.94/81,885.78 = 17,141.80/x
  3. Step 3: Cross multiply
    54,575.94x = 81,885.78 × 17,141.80
  4. Step 4: Simplify right side
    54,575.94x = 1,403,669,663.60
  5. Step 5: Solve for x
    x = 1,403,669,663.60/54,575.94
  6. Step 6: Final answer
    x = 25,719.57

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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.