Home / 54,105.01-81,166.24-16,665.07

Finding the Fourth Proportional to 54,105.01, 81,166.24 and 16,665.07

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Solution

The fourth proportional to 54,105.01, 81,166.24 and 16,665.07 is: 25,000.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,105.01 : 81,166.24 = 16,665.07 : x
  2. Step 2: Convert to fraction form
    54,105.01/81,166.24 = 16,665.07/x
  3. Step 3: Cross multiply
    54,105.01x = 81,166.24 × 16,665.07
  4. Step 4: Simplify right side
    54,105.01x = 1,352,640,987.91
  5. Step 5: Solve for x
    x = 1,352,640,987.91/54,105.01
  6. Step 6: Final answer
    x = 25,000.29

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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.