Home / 54,542.04-81,810.72-17,101.20

Finding the Fourth Proportional to 54,542.04, 81,810.72 and 17,101.20

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Solution

The fourth proportional to 54,542.04, 81,810.72 and 17,101.20 is: 25,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,542.04 : 81,810.72 = 17,101.20 : x
  2. Step 2: Convert to fraction form
    54,542.04/81,810.72 = 17,101.20/x
  3. Step 3: Cross multiply
    54,542.04x = 81,810.72 × 17,101.20
  4. Step 4: Simplify right side
    54,542.04x = 1,399,061,484.86
  5. Step 5: Solve for x
    x = 1,399,061,484.86/54,542.04
  6. Step 6: Final answer
    x = 25,651.07

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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.