Finding the Fourth Proportional to 84,093.12, 126,195.12 and 44,678.88
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Solution
The fourth proportional to 84,093.12, 126,195.12 and 44,678.88 is: 67,047.78
Step by Step Solution
- Step 1: Write the proportion equation
84,093.12 : 126,195.12 = 44,678.88 : x - Step 2: Convert to fraction form
84,093.12/126,195.12 = 44,678.88/x - Step 3: Cross multiply
84,093.12x = 126,195.12 × 44,678.88 - Step 4: Simplify right side
84,093.12x = 5,638,256,623.07 - Step 5: Solve for x
x = 5,638,256,623.07/84,093.12 - Step 6: Final answer
x = 67,047.78
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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.