Home / 45,786.45-68,644.68-31,706.02

Finding the Fourth Proportional to 45,786.45, 68,644.68 and 31,706.02

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Solution

The fourth proportional to 45,786.45, 68,644.68 and 31,706.02 is: 47,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,786.45 : 68,644.68 = 31,706.02 : x
  2. Step 2: Convert to fraction form
    45,786.45/68,644.68 = 31,706.02/x
  3. Step 3: Cross multiply
    45,786.45x = 68,644.68 × 31,706.02
  4. Step 4: Simplify right side
    45,786.45x = 2,176,449,596.97
  5. Step 5: Solve for x
    x = 2,176,449,596.97/45,786.45
  6. Step 6: Final answer
    x = 47,534.80

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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.