Home / 45,986.24-68,971.84-16,399.68

Finding the Fourth Proportional to 45,986.24, 68,971.84 and 16,399.68

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Solution

The fourth proportional to 45,986.24, 68,971.84 and 16,399.68 is: 24,596.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,986.24 : 68,971.84 = 16,399.68 : x
  2. Step 2: Convert to fraction form
    45,986.24/68,971.84 = 16,399.68/x
  3. Step 3: Cross multiply
    45,986.24x = 68,971.84 × 16,399.68
  4. Step 4: Simplify right side
    45,986.24x = 1,131,116,105.01
  5. Step 5: Solve for x
    x = 1,131,116,105.01/45,986.24
  6. Step 6: Final answer
    x = 24,596.84

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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.