Home / 43,988.70-65,982.12-10,708.95

Finding the Fourth Proportional to 43,988.70, 65,982.12 and 10,708.95

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Solution

The fourth proportional to 43,988.70, 65,982.12 and 10,708.95 is: 16,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,988.70 : 65,982.12 = 10,708.95 : x
  2. Step 2: Convert to fraction form
    43,988.70/65,982.12 = 10,708.95/x
  3. Step 3: Cross multiply
    43,988.70x = 65,982.12 × 10,708.95
  4. Step 4: Simplify right side
    43,988.70x = 706,599,223.97
  5. Step 5: Solve for x
    x = 706,599,223.97/43,988.70
  6. Step 6: Final answer
    x = 16,063.20

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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.