Home / 54,397.89-81,579.56-17,453.25

Finding the Fourth Proportional to 54,397.89, 81,579.56 and 17,453.25

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Solution

The fourth proportional to 54,397.89, 81,579.56 and 17,453.25 is: 26,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,397.89 : 81,579.56 = 17,453.25 : x
  2. Step 2: Convert to fraction form
    54,397.89/81,579.56 = 17,453.25/x
  3. Step 3: Cross multiply
    54,397.89x = 81,579.56 × 17,453.25
  4. Step 4: Simplify right side
    54,397.89x = 1,423,828,368.30
  5. Step 5: Solve for x
    x = 1,423,828,368.30/54,397.89
  6. Step 6: Final answer
    x = 26,174.33

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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.