Home / 112,108.44-168,129.78-41,971.32

Finding the Fourth Proportional to 112,108.44, 168,129.78 and 41,971.32

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Solution

The fourth proportional to 112,108.44, 168,129.78 and 41,971.32 is: 62,944.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,108.44 : 168,129.78 = 41,971.32 : x
  2. Step 2: Convert to fraction form
    112,108.44/168,129.78 = 41,971.32/x
  3. Step 3: Cross multiply
    112,108.44x = 168,129.78 × 41,971.32
  4. Step 4: Simplify right side
    112,108.44x = 7,056,628,797.91
  5. Step 5: Solve for x
    x = 7,056,628,797.91/112,108.44
  6. Step 6: Final answer
    x = 62,944.67

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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.