Finding the Fourth Proportional to 107,951.68, 161,938.36 and 33,070.96
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Solution
The fourth proportional to 107,951.68, 161,938.36 and 33,070.96 is: 49,609.76
Step by Step Solution
- Step 1: Write the proportion equation
107,951.68 : 161,938.36 = 33,070.96 : x - Step 2: Convert to fraction form
107,951.68/161,938.36 = 33,070.96/x - Step 3: Cross multiply
107,951.68x = 161,938.36 × 33,070.96 - Step 4: Simplify right side
107,951.68x = 5,355,457,026.03 - Step 5: Solve for x
x = 5,355,457,026.03/107,951.68 - Step 6: Final answer
x = 49,609.76
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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.