Home / 45,358.41-68,044.34-14,189.61

Finding the Fourth Proportional to 45,358.41, 68,044.34 and 14,189.61

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Solution

The fourth proportional to 45,358.41, 68,044.34 and 14,189.61 is: 21,286.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,358.41 : 68,044.34 = 14,189.61 : x
  2. Step 2: Convert to fraction form
    45,358.41/68,044.34 = 14,189.61/x
  3. Step 3: Cross multiply
    45,358.41x = 68,044.34 × 14,189.61
  4. Step 4: Simplify right side
    45,358.41x = 965,522,576.36
  5. Step 5: Solve for x
    x = 965,522,576.36/45,358.41
  6. Step 6: Final answer
    x = 21,286.52

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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.