Home / 112,475.22-168,628.78-68,091.27

Finding the Fourth Proportional to 112,475.22, 168,628.78 and 68,091.27

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Solution

The fourth proportional to 112,475.22, 168,628.78 and 68,091.27 is: 102,086.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,475.22 : 168,628.78 = 68,091.27 : x
  2. Step 2: Convert to fraction form
    112,475.22/168,628.78 = 68,091.27/x
  3. Step 3: Cross multiply
    112,475.22x = 168,628.78 × 68,091.27
  4. Step 4: Simplify right side
    112,475.22x = 11,482,147,788.75
  5. Step 5: Solve for x
    x = 11,482,147,788.75/112,475.22
  6. Step 6: Final answer
    x = 102,086.02

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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.