Home / 45,912.08-68,860.06-12,624.12

Finding the Fourth Proportional to 45,912.08, 68,860.06 and 12,624.12

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Solution

The fourth proportional to 45,912.08, 68,860.06 and 12,624.12 is: 18,933.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,912.08 : 68,860.06 = 12,624.12 : x
  2. Step 2: Convert to fraction form
    45,912.08/68,860.06 = 12,624.12/x
  3. Step 3: Cross multiply
    45,912.08x = 68,860.06 × 12,624.12
  4. Step 4: Simplify right side
    45,912.08x = 869,297,629.09
  5. Step 5: Solve for x
    x = 869,297,629.09/45,912.08
  6. Step 6: Final answer
    x = 18,933.96

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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.