Finding the Fourth Proportional to 107,936.96, 161,941.28 and 47,957.09
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Solution
The fourth proportional to 107,936.96, 161,941.28 and 47,957.09 is: 71,951.55
Step by Step Solution
- Step 1: Write the proportion equation
107,936.96 : 161,941.28 = 47,957.09 : x - Step 2: Convert to fraction form
107,936.96/161,941.28 = 47,957.09/x - Step 3: Cross multiply
107,936.96x = 161,941.28 × 47,957.09 - Step 4: Simplify right side
107,936.96x = 7,766,231,490.18 - Step 5: Solve for x
x = 7,766,231,490.18/107,936.96 - Step 6: Final answer
x = 71,951.55
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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.