Home / 51,224.78-76,837.20-14,288.78

Finding the Fourth Proportional to 51,224.78, 76,837.20 and 14,288.78

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Solution

The fourth proportional to 51,224.78, 76,837.20 and 14,288.78 is: 21,433.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,224.78 : 76,837.20 = 14,288.78 : x
  2. Step 2: Convert to fraction form
    51,224.78/76,837.20 = 14,288.78/x
  3. Step 3: Cross multiply
    51,224.78x = 76,837.20 × 14,288.78
  4. Step 4: Simplify right side
    51,224.78x = 1,097,909,846.62
  5. Step 5: Solve for x
    x = 1,097,909,846.62/51,224.78
  6. Step 6: Final answer
    x = 21,433.18

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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.