Home / 45,850.41-68,775.72-12,570.96

Finding the Fourth Proportional to 45,850.41, 68,775.72 and 12,570.96

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Solution

The fourth proportional to 45,850.41, 68,775.72 and 12,570.96 is: 18,856.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,850.41 : 68,775.72 = 12,570.96 : x
  2. Step 2: Convert to fraction form
    45,850.41/68,775.72 = 12,570.96/x
  3. Step 3: Cross multiply
    45,850.41x = 68,775.72 × 12,570.96
  4. Step 4: Simplify right side
    45,850.41x = 864,576,825.09
  5. Step 5: Solve for x
    x = 864,576,825.09/45,850.41
  6. Step 6: Final answer
    x = 18,856.47

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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.