Finding the Fourth Proportional to 84,902.46, 117,164.79 and 46,139.99
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Solution
The fourth proportional to 84,902.46, 117,164.79 and 46,139.99 is: 63,672.85
Step by Step Solution
- Step 1: Write the proportion equation
84,902.46 : 117,164.79 = 46,139.99 : x - Step 2: Convert to fraction form
84,902.46/117,164.79 = 46,139.99/x - Step 3: Cross multiply
84,902.46x = 117,164.79 × 46,139.99 - Step 4: Simplify right side
84,902.46x = 5,405,981,653.13 - Step 5: Solve for x
x = 5,405,981,653.13/84,902.46 - Step 6: Final answer
x = 63,672.85
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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.