Finding the Fourth Proportional to 83,480.22, 125,251.11 and 39,121.38
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Solution
The fourth proportional to 83,480.22, 125,251.11 and 39,121.38 is: 58,696.49
Step by Step Solution
- Step 1: Write the proportion equation
83,480.22 : 125,251.11 = 39,121.38 : x - Step 2: Convert to fraction form
83,480.22/125,251.11 = 39,121.38/x - Step 3: Cross multiply
83,480.22x = 125,251.11 × 39,121.38 - Step 4: Simplify right side
83,480.22x = 4,899,996,269.73 - Step 5: Solve for x
x = 4,899,996,269.73/83,480.22 - Step 6: Final answer
x = 58,696.49
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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.