Finding the Fourth Proportional to 84,157.57, 116,123.17 and 50,165.44
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Solution
The fourth proportional to 84,157.57, 116,123.17 and 50,165.44 is: 69,219.80
Step by Step Solution
- Step 1: Write the proportion equation
84,157.57 : 116,123.17 = 50,165.44 : x - Step 2: Convert to fraction form
84,157.57/116,123.17 = 50,165.44/x - Step 3: Cross multiply
84,157.57x = 116,123.17 × 50,165.44 - Step 4: Simplify right side
84,157.57x = 5,825,369,917.24 - Step 5: Solve for x
x = 5,825,369,917.24/84,157.57 - Step 6: Final answer
x = 69,219.80
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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.