Home / 54,720.54-82,085.13-17,283.51

Finding the Fourth Proportional to 54,720.54, 82,085.13 and 17,283.51

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Solution

The fourth proportional to 54,720.54, 82,085.13 and 17,283.51 is: 25,926.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,720.54 : 82,085.13 = 17,283.51 : x
  2. Step 2: Convert to fraction form
    54,720.54/82,085.13 = 17,283.51/x
  3. Step 3: Cross multiply
    54,720.54x = 82,085.13 × 17,283.51
  4. Step 4: Simplify right side
    54,720.54x = 1,418,719,165.21
  5. Step 5: Solve for x
    x = 1,418,719,165.21/54,720.54
  6. Step 6: Final answer
    x = 25,926.63

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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.