Home / 49,576.30-74,364-12,136.54

Finding the Fourth Proportional to 49,576.30, 74,364 and 12,136.54

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Solution

The fourth proportional to 49,576.30, 74,364 and 12,136.54 is: 18,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,576.30 : 74,364 = 12,136.54 : x
  2. Step 2: Convert to fraction form
    49,576.30/74,364 = 12,136.54/x
  3. Step 3: Cross multiply
    49,576.30x = 74,364 × 12,136.54
  4. Step 4: Simplify right side
    49,576.30x = 902,521,660.56
  5. Step 5: Solve for x
    x = 902,521,660.56/49,576.30
  6. Step 6: Final answer
    x = 18,204.70

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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.