Home / 54,606.86-81,910.23-17,170.21

Finding the Fourth Proportional to 54,606.86, 81,910.23 and 17,170.21

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Solution

The fourth proportional to 54,606.86, 81,910.23 and 17,170.21 is: 25,755.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,606.86 : 81,910.23 = 17,170.21 : x
  2. Step 2: Convert to fraction form
    54,606.86/81,910.23 = 17,170.21/x
  3. Step 3: Cross multiply
    54,606.86x = 81,910.23 × 17,170.21
  4. Step 4: Simplify right side
    54,606.86x = 1,406,415,888.25
  5. Step 5: Solve for x
    x = 1,406,415,888.25/54,606.86
  6. Step 6: Final answer
    x = 25,755.29

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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.