Finding the Fourth Proportional to 107,743.68, 161,640.96 and 33,871.68
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Solution
The fourth proportional to 107,743.68, 161,640.96 and 33,871.68 is: 50,815.52
Step by Step Solution
- Step 1: Write the proportion equation
107,743.68 : 161,640.96 = 33,871.68 : x - Step 2: Convert to fraction form
107,743.68/161,640.96 = 33,871.68/x - Step 3: Cross multiply
107,743.68x = 161,640.96 × 33,871.68 - Step 4: Simplify right side
107,743.68x = 5,475,050,872.01 - Step 5: Solve for x
x = 5,475,050,872.01/107,743.68 - Step 6: Final answer
x = 50,815.52
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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.