Home / 54,163.94-81,245.48-14,720.99

Finding the Fourth Proportional to 54,163.94, 81,245.48 and 14,720.99

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Solution

The fourth proportional to 54,163.94, 81,245.48 and 14,720.99 is: 22,081.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,163.94 : 81,245.48 = 14,720.99 : x
  2. Step 2: Convert to fraction form
    54,163.94/81,245.48 = 14,720.99/x
  3. Step 3: Cross multiply
    54,163.94x = 81,245.48 × 14,720.99
  4. Step 4: Simplify right side
    54,163.94x = 1,196,013,418.79
  5. Step 5: Solve for x
    x = 1,196,013,418.79/54,163.94
  6. Step 6: Final answer
    x = 22,081.36

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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.