Home / 51,244.43-76,874.70-13,805.96

Finding the Fourth Proportional to 51,244.43, 76,874.70 and 13,805.96

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Solution

The fourth proportional to 51,244.43, 76,874.70 and 13,805.96 is: 20,711.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,244.43 : 76,874.70 = 13,805.96 : x
  2. Step 2: Convert to fraction form
    51,244.43/76,874.70 = 13,805.96/x
  3. Step 3: Cross multiply
    51,244.43x = 76,874.70 × 13,805.96
  4. Step 4: Simplify right side
    51,244.43x = 1,061,328,700.61
  5. Step 5: Solve for x
    x = 1,061,328,700.61/51,244.43
  6. Step 6: Final answer
    x = 20,711.11

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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.