Home / 45,786.73-68,669.02-12,506.96

Finding the Fourth Proportional to 45,786.73, 68,669.02 and 12,506.96

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Solution

The fourth proportional to 45,786.73, 68,669.02 and 12,506.96 is: 18,757.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,786.73 : 68,669.02 = 12,506.96 : x
  2. Step 2: Convert to fraction form
    45,786.73/68,669.02 = 12,506.96/x
  3. Step 3: Cross multiply
    45,786.73x = 68,669.02 × 12,506.96
  4. Step 4: Simplify right side
    45,786.73x = 858,840,623.84
  5. Step 5: Solve for x
    x = 858,840,623.84/45,786.73
  6. Step 6: Final answer
    x = 18,757.42

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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.