Home / 54,160-81,247.77-16,723.27

Finding the Fourth Proportional to 54,160, 81,247.77 and 16,723.27

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Solution

The fourth proportional to 54,160, 81,247.77 and 16,723.27 is: 25,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,160 : 81,247.77 = 16,723.27 : x
  2. Step 2: Convert to fraction form
    54,160/81,247.77 = 16,723.27/x
  3. Step 3: Cross multiply
    54,160x = 81,247.77 × 16,723.27
  4. Step 4: Simplify right side
    54,160x = 1,358,728,394.61
  5. Step 5: Solve for x
    x = 1,358,728,394.61/54,160
  6. Step 6: Final answer
    x = 25,087.30

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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.