Finding the Fourth Proportional to 112,642.98, 168,939.99 and 33,736.02
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Solution
The fourth proportional to 112,642.98, 168,939.99 and 33,736.02 is: 50,596.70
Step by Step Solution
- Step 1: Write the proportion equation
112,642.98 : 168,939.99 = 33,736.02 : x - Step 2: Convert to fraction form
112,642.98/168,939.99 = 33,736.02/x - Step 3: Cross multiply
112,642.98x = 168,939.99 × 33,736.02 - Step 4: Simplify right side
112,642.98x = 5,699,362,881.44 - Step 5: Solve for x
x = 5,699,362,881.44/112,642.98 - Step 6: Final answer
x = 50,596.70
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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.