Finding the Fourth Proportional to 84,857.23, 117,099.72 and 47,133.91
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Solution
The fourth proportional to 84,857.23, 117,099.72 and 47,133.91 is: 65,042.99
Step by Step Solution
- Step 1: Write the proportion equation
84,857.23 : 117,099.72 = 47,133.91 : x - Step 2: Convert to fraction form
84,857.23/117,099.72 = 47,133.91/x - Step 3: Cross multiply
84,857.23x = 117,099.72 × 47,133.91 - Step 4: Simplify right side
84,857.23x = 5,519,367,663.51 - Step 5: Solve for x
x = 5,519,367,663.51/84,857.23 - Step 6: Final answer
x = 65,042.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.