Home / 54,131.04-81,081.36-30,745.44

Finding the Fourth Proportional to 54,131.04, 81,081.36 and 30,745.44

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Solution

The fourth proportional to 54,131.04, 81,081.36 and 30,745.44 is: 46,052.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,131.04 : 81,081.36 = 30,745.44 : x
  2. Step 2: Convert to fraction form
    54,131.04/81,081.36 = 30,745.44/x
  3. Step 3: Cross multiply
    54,131.04x = 81,081.36 × 30,745.44
  4. Step 4: Simplify right side
    54,131.04x = 2,492,882,089.00
  5. Step 5: Solve for x
    x = 2,492,882,089.00/54,131.04
  6. Step 6: Final answer
    x = 46,052.73

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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.