Home / 54,459.84-81,617.07-29,107.38

Finding the Fourth Proportional to 54,459.84, 81,617.07 and 29,107.38

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Solution

The fourth proportional to 54,459.84, 81,617.07 and 29,107.38 is: 43,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,459.84 : 81,617.07 = 29,107.38 : x
  2. Step 2: Convert to fraction form
    54,459.84/81,617.07 = 29,107.38/x
  3. Step 3: Cross multiply
    54,459.84x = 81,617.07 × 29,107.38
  4. Step 4: Simplify right side
    54,459.84x = 2,375,659,070.98
  5. Step 5: Solve for x
    x = 2,375,659,070.98/54,459.84
  6. Step 6: Final answer
    x = 43,622.22

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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.