Home / 122,974.37-169,704.97-71,301.50

Finding the Fourth Proportional to 122,974.37, 169,704.97 and 71,301.50

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Solution

The fourth proportional to 122,974.37, 169,704.97 and 71,301.50 is: 98,396.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,974.37 : 169,704.97 = 71,301.50 : x
  2. Step 2: Convert to fraction form
    122,974.37/169,704.97 = 71,301.50/x
  3. Step 3: Cross multiply
    122,974.37x = 169,704.97 × 71,301.50
  4. Step 4: Simplify right side
    122,974.37x = 12,100,219,164.46
  5. Step 5: Solve for x
    x = 12,100,219,164.46/122,974.37
  6. Step 6: Final answer
    x = 98,396.27

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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.