Home / 112,738.82-169,193.91-41,728.64

Finding the Fourth Proportional to 112,738.82, 169,193.91 and 41,728.64

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Solution

The fourth proportional to 112,738.82, 169,193.91 and 41,728.64 is: 62,624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,738.82 : 169,193.91 = 41,728.64 : x
  2. Step 2: Convert to fraction form
    112,738.82/169,193.91 = 41,728.64/x
  3. Step 3: Cross multiply
    112,738.82x = 169,193.91 × 41,728.64
  4. Step 4: Simplify right side
    112,738.82x = 7,060,231,760.58
  5. Step 5: Solve for x
    x = 7,060,231,760.58/112,738.82
  6. Step 6: Final answer
    x = 62,624.67

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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.