Home / 45,856.44-68,784.75-12,576.96

Finding the Fourth Proportional to 45,856.44, 68,784.75 and 12,576.96

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Solution

The fourth proportional to 45,856.44, 68,784.75 and 12,576.96 is: 18,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,856.44 : 68,784.75 = 12,576.96 : x
  2. Step 2: Convert to fraction form
    45,856.44/68,784.75 = 12,576.96/x
  3. Step 3: Cross multiply
    45,856.44x = 68,784.75 × 12,576.96
  4. Step 4: Simplify right side
    45,856.44x = 865,103,049.36
  5. Step 5: Solve for x
    x = 865,103,049.36/45,856.44
  6. Step 6: Final answer
    x = 18,865.46

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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.