Home / 106,354.22-159,474.89-31,464.05

Finding the Fourth Proportional to 106,354.22, 159,474.89 and 31,464.05

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Solution

The fourth proportional to 106,354.22, 159,474.89 and 31,464.05 is: 47,179.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,354.22 : 159,474.89 = 31,464.05 : x
  2. Step 2: Convert to fraction form
    106,354.22/159,474.89 = 31,464.05/x
  3. Step 3: Cross multiply
    106,354.22x = 159,474.89 × 31,464.05
  4. Step 4: Simplify right side
    106,354.22x = 5,017,725,193.99
  5. Step 5: Solve for x
    x = 5,017,725,193.99/106,354.22
  6. Step 6: Final answer
    x = 47,179.37

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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.