Home / 106,479.24-159,745.88-39,919.56

Finding the Fourth Proportional to 106,479.24, 159,745.88 and 39,919.56

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Solution

The fourth proportional to 106,479.24, 159,745.88 and 39,919.56 is: 59,889.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,479.24 : 159,745.88 = 39,919.56 : x
  2. Step 2: Convert to fraction form
    106,479.24/159,745.88 = 39,919.56/x
  3. Step 3: Cross multiply
    106,479.24x = 159,745.88 × 39,919.56
  4. Step 4: Simplify right side
    106,479.24x = 6,376,985,241.41
  5. Step 5: Solve for x
    x = 6,376,985,241.41/106,479.24
  6. Step 6: Final answer
    x = 59,889.47

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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.