Home / 54,146.09-81,213.78-16,696.06

Finding the Fourth Proportional to 54,146.09, 81,213.78 and 16,696.06

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Solution

The fourth proportional to 54,146.09, 81,213.78 and 16,696.06 is: 25,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,146.09 : 81,213.78 = 16,696.06 : x
  2. Step 2: Convert to fraction form
    54,146.09/81,213.78 = 16,696.06/x
  3. Step 3: Cross multiply
    54,146.09x = 81,213.78 × 16,696.06
  4. Step 4: Simplify right side
    54,146.09x = 1,355,950,143.71
  5. Step 5: Solve for x
    x = 1,355,950,143.71/54,146.09
  6. Step 6: Final answer
    x = 25,042.44

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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.