Home / 106,222.32-159,360.75-31,339.44

Finding the Fourth Proportional to 106,222.32, 159,360.75 and 31,339.44

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Solution

The fourth proportional to 106,222.32, 159,360.75 and 31,339.44 is: 47,017.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,222.32 : 159,360.75 = 31,339.44 : x
  2. Step 2: Convert to fraction form
    106,222.32/159,360.75 = 31,339.44/x
  3. Step 3: Cross multiply
    106,222.32x = 159,360.75 × 31,339.44
  4. Step 4: Simplify right side
    106,222.32x = 4,994,276,662.98
  5. Step 5: Solve for x
    x = 4,994,276,662.98/106,222.32
  6. Step 6: Final answer
    x = 47,017.21

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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.