Home / 54,115.63-81,181.07-16,678.73

Finding the Fourth Proportional to 54,115.63, 81,181.07 and 16,678.73

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Solution

The fourth proportional to 54,115.63, 81,181.07 and 16,678.73 is: 25,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,115.63 : 81,181.07 = 16,678.73 : x
  2. Step 2: Convert to fraction form
    54,115.63/81,181.07 = 16,678.73/x
  3. Step 3: Cross multiply
    54,115.63x = 81,181.07 × 16,678.73
  4. Step 4: Simplify right side
    54,115.63x = 1,353,997,147.64
  5. Step 5: Solve for x
    x = 1,353,997,147.64/54,115.63
  6. Step 6: Final answer
    x = 25,020.45

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1.5x scale

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.