Home / 54,618.10-81,927.08-17,181.42

Finding the Fourth Proportional to 54,618.10, 81,927.08 and 17,181.42

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Solution

The fourth proportional to 54,618.10, 81,927.08 and 17,181.42 is: 25,772.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,618.10 : 81,927.08 = 17,181.42 : x
  2. Step 2: Convert to fraction form
    54,618.10/81,927.08 = 17,181.42/x
  3. Step 3: Cross multiply
    54,618.10x = 81,927.08 × 17,181.42
  4. Step 4: Simplify right side
    54,618.10x = 1,407,623,242.15
  5. Step 5: Solve for x
    x = 1,407,623,242.15/54,618.10
  6. Step 6: Final answer
    x = 25,772.10

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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.