Home / 54,609.69-81,926.24-30,928.43

Finding the Fourth Proportional to 54,609.69, 81,926.24 and 30,928.43

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Solution

The fourth proportional to 54,609.69, 81,926.24 and 30,928.43 is: 46,399.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,609.69 : 81,926.24 = 30,928.43 : x
  2. Step 2: Convert to fraction form
    54,609.69/81,926.24 = 30,928.43/x
  3. Step 3: Cross multiply
    54,609.69x = 81,926.24 × 30,928.43
  4. Step 4: Simplify right side
    54,609.69x = 2,533,850,029.18
  5. Step 5: Solve for x
    x = 2,533,850,029.18/54,609.69
  6. Step 6: Final answer
    x = 46,399.27

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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.