Finding the Fourth Proportional to 107,430.96, 161,006.28 and 54,796.08
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Solution
The fourth proportional to 107,430.96, 161,006.28 and 54,796.08 is: 82,122.63
Step by Step Solution
- Step 1: Write the proportion equation
107,430.96 : 161,006.28 = 54,796.08 : x - Step 2: Convert to fraction form
107,430.96/161,006.28 = 54,796.08/x - Step 3: Cross multiply
107,430.96x = 161,006.28 × 54,796.08 - Step 4: Simplify right side
107,430.96x = 8,822,512,999.38 - Step 5: Solve for x
x = 8,822,512,999.38/107,430.96 - Step 6: Final answer
x = 82,122.63
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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.