Home / 45,154.88-67,690.40-16,676.09

Finding the Fourth Proportional to 45,154.88, 67,690.40 and 16,676.09

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Solution

The fourth proportional to 45,154.88, 67,690.40 and 16,676.09 is: 24,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,154.88 : 67,690.40 = 16,676.09 : x
  2. Step 2: Convert to fraction form
    45,154.88/67,690.40 = 16,676.09/x
  3. Step 3: Cross multiply
    45,154.88x = 67,690.40 × 16,676.09
  4. Step 4: Simplify right side
    45,154.88x = 1,128,810,780.70
  5. Step 5: Solve for x
    x = 1,128,810,780.70/45,154.88
  6. Step 6: Final answer
    x = 24,998.65

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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.