Home / 65,919.18-90,968.25-35,704.43

Finding the Fourth Proportional to 65,919.18, 90,968.25 and 35,704.43

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Solution

The fourth proportional to 65,919.18, 90,968.25 and 35,704.43 is: 49,271.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,919.18 : 90,968.25 = 35,704.43 : x
  2. Step 2: Convert to fraction form
    65,919.18/90,968.25 = 35,704.43/x
  3. Step 3: Cross multiply
    65,919.18x = 90,968.25 × 35,704.43
  4. Step 4: Simplify right side
    65,919.18x = 3,247,968,880.98
  5. Step 5: Solve for x
    x = 3,247,968,880.98/65,919.18
  6. Step 6: Final answer
    x = 49,271.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.