Home / 68,596.07-102,900.29-18,676.44

Finding the Fourth Proportional to 68,596.07, 102,900.29 and 18,676.44

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Solution

The fourth proportional to 68,596.07, 102,900.29 and 18,676.44 is: 28,016.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,596.07 : 102,900.29 = 18,676.44 : x
  2. Step 2: Convert to fraction form
    68,596.07/102,900.29 = 18,676.44/x
  3. Step 3: Cross multiply
    68,596.07x = 102,900.29 × 18,676.44
  4. Step 4: Simplify right side
    68,596.07x = 1,921,810,998.79
  5. Step 5: Solve for x
    x = 1,921,810,998.79/68,596.07
  6. Step 6: Final answer
    x = 28,016.34

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1.5x scale

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.