Finding the Fourth Proportional to 84,077.85, 126,121.91 and 27,922.88
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Solution
The fourth proportional to 84,077.85, 126,121.91 and 27,922.88 is: 41,886.02
Step by Step Solution
- Step 1: Write the proportion equation
84,077.85 : 126,121.91 = 27,922.88 : x - Step 2: Convert to fraction form
84,077.85/126,121.91 = 27,922.88/x - Step 3: Cross multiply
84,077.85x = 126,121.91 × 27,922.88 - Step 4: Simplify right side
84,077.85x = 3,521,686,188.08 - Step 5: Solve for x
x = 3,521,686,188.08/84,077.85 - Step 6: Final answer
x = 41,886.02
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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.