Home / 49,843-74,780.70-34,865.56

Finding the Fourth Proportional to 49,843, 74,780.70 and 34,865.56

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Solution

The fourth proportional to 49,843, 74,780.70 and 34,865.56 is: 52,309.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,843 : 74,780.70 = 34,865.56 : x
  2. Step 2: Convert to fraction form
    49,843/74,780.70 = 34,865.56/x
  3. Step 3: Cross multiply
    49,843x = 74,780.70 × 34,865.56
  4. Step 4: Simplify right side
    49,843x = 2,607,270,982.69
  5. Step 5: Solve for x
    x = 2,607,270,982.69/49,843
  6. Step 6: Final answer
    x = 52,309.67

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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.