Home / 54,157.02-81,243.22-16,710.11

Finding the Fourth Proportional to 54,157.02, 81,243.22 and 16,710.11

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Solution

The fourth proportional to 54,157.02, 81,243.22 and 16,710.11 is: 25,067.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,157.02 : 81,243.22 = 16,710.11 : x
  2. Step 2: Convert to fraction form
    54,157.02/81,243.22 = 16,710.11/x
  3. Step 3: Cross multiply
    54,157.02x = 81,243.22 × 16,710.11
  4. Step 4: Simplify right side
    54,157.02x = 1,357,583,142.95
  5. Step 5: Solve for x
    x = 1,357,583,142.95/54,157.02
  6. Step 6: Final answer
    x = 25,067.54

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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.