Finding the Fourth Proportional to 112,021.91, 168,032.87 and 33,129.99
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Solution
The fourth proportional to 112,021.91, 168,032.87 and 33,129.99 is: 49,694.98
Step by Step Solution
- Step 1: Write the proportion equation
112,021.91 : 168,032.87 = 33,129.99 : x - Step 2: Convert to fraction form
112,021.91/168,032.87 = 33,129.99/x - Step 3: Cross multiply
112,021.91x = 168,032.87 × 33,129.99 - Step 4: Simplify right side
112,021.91x = 5,566,926,296.96 - Step 5: Solve for x
x = 5,566,926,296.96/112,021.91 - Step 6: Final answer
x = 49,694.98
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Similar ratio
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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.