Home / 45,234.90-67,836.09-15,644.70

Finding the Fourth Proportional to 45,234.90, 67,836.09 and 15,644.70

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Solution

The fourth proportional to 45,234.90, 67,836.09 and 15,644.70 is: 23,461.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,234.90 : 67,836.09 = 15,644.70 : x
  2. Step 2: Convert to fraction form
    45,234.90/67,836.09 = 15,644.70/x
  3. Step 3: Cross multiply
    45,234.90x = 67,836.09 × 15,644.70
  4. Step 4: Simplify right side
    45,234.90x = 1,061,275,277.22
  5. Step 5: Solve for x
    x = 1,061,275,277.22/45,234.90
  6. Step 6: Final answer
    x = 23,461.43

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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.