Home / 43,217-64,836.44-12,052.25

Finding the Fourth Proportional to 43,217, 64,836.44 and 12,052.25

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Solution

The fourth proportional to 43,217, 64,836.44 and 12,052.25 is: 18,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,217 : 64,836.44 = 12,052.25 : x
  2. Step 2: Convert to fraction form
    43,217/64,836.44 = 12,052.25/x
  3. Step 3: Cross multiply
    43,217x = 64,836.44 × 12,052.25
  4. Step 4: Simplify right side
    43,217x = 781,424,983.99
  5. Step 5: Solve for x
    x = 781,424,983.99/43,217
  6. Step 6: Final answer
    x = 18,081.43

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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.