Home / 54,083.69-81,115.51-14,635.68

Finding the Fourth Proportional to 54,083.69, 81,115.51 and 14,635.68

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Solution

The fourth proportional to 54,083.69, 81,115.51 and 14,635.68 is: 21,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,083.69 : 81,115.51 = 14,635.68 : x
  2. Step 2: Convert to fraction form
    54,083.69/81,115.51 = 14,635.68/x
  3. Step 3: Cross multiply
    54,083.69x = 81,115.51 × 14,635.68
  4. Step 4: Simplify right side
    54,083.69x = 1,187,180,647.40
  5. Step 5: Solve for x
    x = 1,187,180,647.40/54,083.69
  6. Step 6: Final answer
    x = 21,950.81

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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.