Home / 51,905.47-77,906.63-26,623.96

Finding the Fourth Proportional to 51,905.47, 77,906.63 and 26,623.96

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Solution

The fourth proportional to 51,905.47, 77,906.63 and 26,623.96 is: 39,960.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,905.47 : 77,906.63 = 26,623.96 : x
  2. Step 2: Convert to fraction form
    51,905.47/77,906.63 = 26,623.96/x
  3. Step 3: Cross multiply
    51,905.47x = 77,906.63 × 26,623.96
  4. Step 4: Simplify right side
    51,905.47x = 2,074,183,000.85
  5. Step 5: Solve for x
    x = 2,074,183,000.85/51,905.47
  6. Step 6: Final answer
    x = 39,960.78

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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.