Home / 49,178.07-73,749-17,579.61

Finding the Fourth Proportional to 49,178.07, 73,749 and 17,579.61

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Solution

The fourth proportional to 49,178.07, 73,749 and 17,579.61 is: 26,362.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,178.07 : 73,749 = 17,579.61 : x
  2. Step 2: Convert to fraction form
    49,178.07/73,749 = 17,579.61/x
  3. Step 3: Cross multiply
    49,178.07x = 73,749 × 17,579.61
  4. Step 4: Simplify right side
    49,178.07x = 1,296,478,657.89
  5. Step 5: Solve for x
    x = 1,296,478,657.89/49,178.07
  6. Step 6: Final answer
    x = 26,362.94

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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.