Home / 106,741.45-160,115.42-36,619.75

Finding the Fourth Proportional to 106,741.45, 160,115.42 and 36,619.75

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Solution

The fourth proportional to 106,741.45, 160,115.42 and 36,619.75 is: 54,930.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,741.45 : 160,115.42 = 36,619.75 : x
  2. Step 2: Convert to fraction form
    106,741.45/160,115.42 = 36,619.75/x
  3. Step 3: Cross multiply
    106,741.45x = 160,115.42 × 36,619.75
  4. Step 4: Simplify right side
    106,741.45x = 5,863,386,651.55
  5. Step 5: Solve for x
    x = 5,863,386,651.55/106,741.45
  6. Step 6: Final answer
    x = 54,930.74

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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.