Home / 54,115.60-81,181.47-16,672.54

Finding the Fourth Proportional to 54,115.60, 81,181.47 and 16,672.54

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Solution

The fourth proportional to 54,115.60, 81,181.47 and 16,672.54 is: 25,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,115.60 : 81,181.47 = 16,672.54 : x
  2. Step 2: Convert to fraction form
    54,115.60/81,181.47 = 16,672.54/x
  3. Step 3: Cross multiply
    54,115.60x = 81,181.47 × 16,672.54
  4. Step 4: Simplify right side
    54,115.60x = 1,353,501,305.83
  5. Step 5: Solve for x
    x = 1,353,501,305.83/54,115.60
  6. Step 6: Final answer
    x = 25,011.30

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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.