Home / 45,865.53-68,786.75-17,775.95

Finding the Fourth Proportional to 45,865.53, 68,786.75 and 17,775.95

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Solution

The fourth proportional to 45,865.53, 68,786.75 and 17,775.95 is: 26,659.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,865.53 : 68,786.75 = 17,775.95 : x
  2. Step 2: Convert to fraction form
    45,865.53/68,786.75 = 17,775.95/x
  3. Step 3: Cross multiply
    45,865.53x = 68,786.75 × 17,775.95
  4. Step 4: Simplify right side
    45,865.53x = 1,222,749,395.85
  5. Step 5: Solve for x
    x = 1,222,749,395.85/45,865.53
  6. Step 6: Final answer
    x = 26,659.44

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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.