Finding the Fourth Proportional to 84,120.16, 126,192.86 and 27,175.04
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Solution
The fourth proportional to 84,120.16, 126,192.86 and 27,175.04 is: 40,766.64
Step by Step Solution
- Step 1: Write the proportion equation
84,120.16 : 126,192.86 = 27,175.04 : x - Step 2: Convert to fraction form
84,120.16/126,192.86 = 27,175.04/x - Step 3: Cross multiply
84,120.16x = 126,192.86 × 27,175.04 - Step 4: Simplify right side
84,120.16x = 3,429,296,018.21 - Step 5: Solve for x
x = 3,429,296,018.21/84,120.16 - Step 6: Final answer
x = 40,766.64
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1.5x scale
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.