Home / 54,186.24-81,271.68-18,647.04

Finding the Fourth Proportional to 54,186.24, 81,271.68 and 18,647.04

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Solution

The fourth proportional to 54,186.24, 81,271.68 and 18,647.04 is: 27,967.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,186.24 : 81,271.68 = 18,647.04 : x
  2. Step 2: Convert to fraction form
    54,186.24/81,271.68 = 18,647.04/x
  3. Step 3: Cross multiply
    54,186.24x = 81,271.68 × 18,647.04
  4. Step 4: Simplify right side
    54,186.24x = 1,515,476,267.83
  5. Step 5: Solve for x
    x = 1,515,476,267.83/54,186.24
  6. Step 6: Final answer
    x = 27,967.92

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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.