Home / 43,986.70-65,979.12-10,706.95

Finding the Fourth Proportional to 43,986.70, 65,979.12 and 10,706.95

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Solution

The fourth proportional to 43,986.70, 65,979.12 and 10,706.95 is: 16,060.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,986.70 : 65,979.12 = 10,706.95 : x
  2. Step 2: Convert to fraction form
    43,986.70/65,979.12 = 10,706.95/x
  3. Step 3: Cross multiply
    43,986.70x = 65,979.12 × 10,706.95
  4. Step 4: Simplify right side
    43,986.70x = 706,435,138.88
  5. Step 5: Solve for x
    x = 706,435,138.88/43,986.70
  6. Step 6: Final answer
    x = 16,060.20

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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.