Home / 45,729.93-68,596.11-12,450.27

Finding the Fourth Proportional to 45,729.93, 68,596.11 and 12,450.27

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Solution

The fourth proportional to 45,729.93, 68,596.11 and 12,450.27 is: 18,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,729.93 : 68,596.11 = 12,450.27 : x
  2. Step 2: Convert to fraction form
    45,729.93/68,596.11 = 12,450.27/x
  3. Step 3: Cross multiply
    45,729.93x = 68,596.11 × 12,450.27
  4. Step 4: Simplify right side
    45,729.93x = 854,040,090.45
  5. Step 5: Solve for x
    x = 854,040,090.45/45,729.93
  6. Step 6: Final answer
    x = 18,675.74

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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.