Home / 68,919.23-103,397.06-37,315.25

Finding the Fourth Proportional to 68,919.23, 103,397.06 and 37,315.25

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Solution

The fourth proportional to 68,919.23, 103,397.06 and 37,315.25 is: 55,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,919.23 : 103,397.06 = 37,315.25 : x
  2. Step 2: Convert to fraction form
    68,919.23/103,397.06 = 37,315.25/x
  3. Step 3: Cross multiply
    68,919.23x = 103,397.06 × 37,315.25
  4. Step 4: Simplify right side
    68,919.23x = 3,858,286,439.60
  5. Step 5: Solve for x
    x = 3,858,286,439.60/68,919.23
  6. Step 6: Final answer
    x = 55,982.73

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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.