Home / 54,161.40-81,242.10-33,166.20

Finding the Fourth Proportional to 54,161.40, 81,242.10 and 33,166.20

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Solution

The fourth proportional to 54,161.40, 81,242.10 and 33,166.20 is: 49,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,161.40 : 81,242.10 = 33,166.20 : x
  2. Step 2: Convert to fraction form
    54,161.40/81,242.10 = 33,166.20/x
  3. Step 3: Cross multiply
    54,161.40x = 81,242.10 × 33,166.20
  4. Step 4: Simplify right side
    54,161.40x = 2,694,491,737.02
  5. Step 5: Solve for x
    x = 2,694,491,737.02/54,161.40
  6. Step 6: Final answer
    x = 49,749.30

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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.