Home / 77,865.35-116,806.17-35,738.24

Finding the Fourth Proportional to 77,865.35, 116,806.17 and 35,738.24

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Solution

The fourth proportional to 77,865.35, 116,806.17 and 35,738.24 is: 53,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,865.35 : 116,806.17 = 35,738.24 : x
  2. Step 2: Convert to fraction form
    77,865.35/116,806.17 = 35,738.24/x
  3. Step 3: Cross multiply
    77,865.35x = 116,806.17 × 35,738.24
  4. Step 4: Simplify right side
    77,865.35x = 4,174,446,936.94
  5. Step 5: Solve for x
    x = 4,174,446,936.94/77,865.35
  6. Step 6: Final answer
    x = 53,611.10

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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.