Finding the Fourth Proportional to 83,480.06, 125,231.78 and 27,324.62
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Solution
The fourth proportional to 83,480.06, 125,231.78 and 27,324.62 is: 40,990.76
Step by Step Solution
- Step 1: Write the proportion equation
83,480.06 : 125,231.78 = 27,324.62 : x - Step 2: Convert to fraction form
83,480.06/125,231.78 = 27,324.62/x - Step 3: Cross multiply
83,480.06x = 125,231.78 × 27,324.62 - Step 4: Simplify right side
83,480.06x = 3,421,910,800.42 - Step 5: Solve for x
x = 3,421,910,800.42/83,480.06 - Step 6: Final answer
x = 40,990.76
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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.