Home / 54,083.13-81,127.56-16,668.90

Finding the Fourth Proportional to 54,083.13, 81,127.56 and 16,668.90

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Solution

The fourth proportional to 54,083.13, 81,127.56 and 16,668.90 is: 25,004.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,083.13 : 81,127.56 = 16,668.90 : x
  2. Step 2: Convert to fraction form
    54,083.13/81,127.56 = 16,668.90/x
  3. Step 3: Cross multiply
    54,083.13x = 81,127.56 × 16,668.90
  4. Step 4: Simplify right side
    54,083.13x = 1,352,307,184.88
  5. Step 5: Solve for x
    x = 1,352,307,184.88/54,083.13
  6. Step 6: Final answer
    x = 25,004.23

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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.