Home / 54,435.84-81,656.79-17,001.08

Finding the Fourth Proportional to 54,435.84, 81,656.79 and 17,001.08

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Solution

The fourth proportional to 54,435.84, 81,656.79 and 17,001.08 is: 25,502.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435.84 : 81,656.79 = 17,001.08 : x
  2. Step 2: Convert to fraction form
    54,435.84/81,656.79 = 17,001.08/x
  3. Step 3: Cross multiply
    54,435.84x = 81,656.79 × 17,001.08
  4. Step 4: Simplify right side
    54,435.84x = 1,388,253,619.33
  5. Step 5: Solve for x
    x = 1,388,253,619.33/54,435.84
  6. Step 6: Final answer
    x = 25,502.57

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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.