Home / 112,546.49-168,819.73-45,986.55

Finding the Fourth Proportional to 112,546.49, 168,819.73 and 45,986.55

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Solution

The fourth proportional to 112,546.49, 168,819.73 and 45,986.55 is: 68,979.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,546.49 : 168,819.73 = 45,986.55 : x
  2. Step 2: Convert to fraction form
    112,546.49/168,819.73 = 45,986.55/x
  3. Step 3: Cross multiply
    112,546.49x = 168,819.73 × 45,986.55
  4. Step 4: Simplify right side
    112,546.49x = 7,763,436,724.70
  5. Step 5: Solve for x
    x = 7,763,436,724.70/112,546.49
  6. Step 6: Final answer
    x = 68,979.82

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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.