Home / 45,745.67-68,591.39-14,146.38

Finding the Fourth Proportional to 45,745.67, 68,591.39 and 14,146.38

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Solution

The fourth proportional to 45,745.67, 68,591.39 and 14,146.38 is: 21,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,745.67 : 68,591.39 = 14,146.38 : x
  2. Step 2: Convert to fraction form
    45,745.67/68,591.39 = 14,146.38/x
  3. Step 3: Cross multiply
    45,745.67x = 68,591.39 × 14,146.38
  4. Step 4: Simplify right side
    45,745.67x = 970,319,796.94
  5. Step 5: Solve for x
    x = 970,319,796.94/45,745.67
  6. Step 6: Final answer
    x = 21,211.19

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1.5x scale

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.