Home / 45,676.38-68,516.04-12,396.36

Finding the Fourth Proportional to 45,676.38, 68,516.04 and 12,396.36

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Solution

The fourth proportional to 45,676.38, 68,516.04 and 12,396.36 is: 18,594.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,676.38 : 68,516.04 = 12,396.36 : x
  2. Step 2: Convert to fraction form
    45,676.38/68,516.04 = 12,396.36/x
  3. Step 3: Cross multiply
    45,676.38x = 68,516.04 × 12,396.36
  4. Step 4: Simplify right side
    45,676.38x = 849,349,497.61
  5. Step 5: Solve for x
    x = 849,349,497.61/45,676.38
  6. Step 6: Final answer
    x = 18,594.94

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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.