Home / 112,664.46-168,936.07-45,162.62

Finding the Fourth Proportional to 112,664.46, 168,936.07 and 45,162.62

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Solution

The fourth proportional to 112,664.46, 168,936.07 and 45,162.62 is: 67,719.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,664.46 : 168,936.07 = 45,162.62 : x
  2. Step 2: Convert to fraction form
    112,664.46/168,936.07 = 45,162.62/x
  3. Step 3: Cross multiply
    112,664.46x = 168,936.07 × 45,162.62
  4. Step 4: Simplify right side
    112,664.46x = 7,629,595,533.70
  5. Step 5: Solve for x
    x = 7,629,595,533.70/112,664.46
  6. Step 6: Final answer
    x = 67,719.63

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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.