Home / 54,337.68-81,513.14-16,899.75

Finding the Fourth Proportional to 54,337.68, 81,513.14 and 16,899.75

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Solution

The fourth proportional to 54,337.68, 81,513.14 and 16,899.75 is: 25,351.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,337.68 : 81,513.14 = 16,899.75 : x
  2. Step 2: Convert to fraction form
    54,337.68/81,513.14 = 16,899.75/x
  3. Step 3: Cross multiply
    54,337.68x = 81,513.14 × 16,899.75
  4. Step 4: Simplify right side
    54,337.68x = 1,377,551,603.22
  5. Step 5: Solve for x
    x = 1,377,551,603.22/54,337.68
  6. Step 6: Final answer
    x = 25,351.68

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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.