Home / 106,396.56-159,599.52-39,819.36

Finding the Fourth Proportional to 106,396.56, 159,599.52 and 39,819.36

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Solution

The fourth proportional to 106,396.56, 159,599.52 and 39,819.36 is: 59,730.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,396.56 : 159,599.52 = 39,819.36 : x
  2. Step 2: Convert to fraction form
    106,396.56/159,599.52 = 39,819.36/x
  3. Step 3: Cross multiply
    106,396.56x = 159,599.52 × 39,819.36
  4. Step 4: Simplify right side
    106,396.56x = 6,355,150,742.71
  5. Step 5: Solve for x
    x = 6,355,150,742.71/106,396.56
  6. Step 6: Final answer
    x = 59,730.79

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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.