Home / 51,234.54-76,862.75-17,956.64

Finding the Fourth Proportional to 51,234.54, 76,862.75 and 17,956.64

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Solution

The fourth proportional to 51,234.54, 76,862.75 and 17,956.64 is: 26,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,234.54 : 76,862.75 = 17,956.64 : x
  2. Step 2: Convert to fraction form
    51,234.54/76,862.75 = 17,956.64/x
  3. Step 3: Cross multiply
    51,234.54x = 76,862.75 × 17,956.64
  4. Step 4: Simplify right side
    51,234.54x = 1,380,196,257.06
  5. Step 5: Solve for x
    x = 1,380,196,257.06/51,234.54
  6. Step 6: Final answer
    x = 26,938.78

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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.