Home / 101,150.46-139,586.94-55,828.44

Finding the Fourth Proportional to 101,150.46, 139,586.94 and 55,828.44

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Solution

The fourth proportional to 101,150.46, 139,586.94 and 55,828.44 is: 77,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,150.46 : 139,586.94 = 55,828.44 : x
  2. Step 2: Convert to fraction form
    101,150.46/139,586.94 = 55,828.44/x
  3. Step 3: Cross multiply
    101,150.46x = 139,586.94 × 55,828.44
  4. Step 4: Simplify right side
    101,150.46x = 7,792,921,104.57
  5. Step 5: Solve for x
    x = 7,792,921,104.57/101,150.46
  6. Step 6: Final answer
    x = 77,042.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.