Home / 45,221.53-67,823.07-17,131.99

Finding the Fourth Proportional to 45,221.53, 67,823.07 and 17,131.99

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Solution

The fourth proportional to 45,221.53, 67,823.07 and 17,131.99 is: 25,694.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,221.53 : 67,823.07 = 17,131.99 : x
  2. Step 2: Convert to fraction form
    45,221.53/67,823.07 = 17,131.99/x
  3. Step 3: Cross multiply
    45,221.53x = 67,823.07 × 17,131.99
  4. Step 4: Simplify right side
    45,221.53x = 1,161,944,157.01
  5. Step 5: Solve for x
    x = 1,161,944,157.01/45,221.53
  6. Step 6: Final answer
    x = 25,694.49

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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.