Home / 106,620.63-159,965.55-31,741.42

Finding the Fourth Proportional to 106,620.63, 159,965.55 and 31,741.42

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Solution

The fourth proportional to 106,620.63, 159,965.55 and 31,741.42 is: 47,622.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,620.63 : 159,965.55 = 31,741.42 : x
  2. Step 2: Convert to fraction form
    106,620.63/159,965.55 = 31,741.42/x
  3. Step 3: Cross multiply
    106,620.63x = 159,965.55 × 31,741.42
  4. Step 4: Simplify right side
    106,620.63x = 5,077,534,282.96
  5. Step 5: Solve for x
    x = 5,077,534,282.96/106,620.63
  6. Step 6: Final answer
    x = 47,622.44

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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.