Home / 45,222.49-67,836.98-11,942.22

Finding the Fourth Proportional to 45,222.49, 67,836.98 and 11,942.22

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Solution

The fourth proportional to 45,222.49, 67,836.98 and 11,942.22 is: 17,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,222.49 : 67,836.98 = 11,942.22 : x
  2. Step 2: Convert to fraction form
    45,222.49/67,836.98 = 11,942.22/x
  3. Step 3: Cross multiply
    45,222.49x = 67,836.98 × 11,942.22
  4. Step 4: Simplify right side
    45,222.49x = 810,124,139.30
  5. Step 5: Solve for x
    x = 810,124,139.30/45,222.49
  6. Step 6: Final answer
    x = 17,914.19

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1.5x scale

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.