Home / 54,120.79-81,189.26-16,677.73

Finding the Fourth Proportional to 54,120.79, 81,189.26 and 16,677.73

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Solution

The fourth proportional to 54,120.79, 81,189.26 and 16,677.73 is: 25,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,120.79 : 81,189.26 = 16,677.73 : x
  2. Step 2: Convert to fraction form
    54,120.79/81,189.26 = 16,677.73/x
  3. Step 3: Cross multiply
    54,120.79x = 81,189.26 × 16,677.73
  4. Step 4: Simplify right side
    54,120.79x = 1,354,052,557.18
  5. Step 5: Solve for x
    x = 1,354,052,557.18/54,120.79
  6. Step 6: Final answer
    x = 25,019.08

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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.