Finding the Fourth Proportional to 84,161.10, 126,170.97 and 36,740.13
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Solution
The fourth proportional to 84,161.10, 126,170.97 and 36,740.13 is: 55,079.34
Step by Step Solution
- Step 1: Write the proportion equation
84,161.10 : 126,170.97 = 36,740.13 : x - Step 2: Convert to fraction form
84,161.10/126,170.97 = 36,740.13/x - Step 3: Cross multiply
84,161.10x = 126,170.97 × 36,740.13 - Step 4: Simplify right side
84,161.10x = 4,635,537,840.03 - Step 5: Solve for x
x = 4,635,537,840.03/84,161.10 - Step 6: Final answer
x = 55,079.34
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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.