Finding the Fourth Proportional to 91,261.18, 125,936.67 and 50,974.75
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Solution
The fourth proportional to 91,261.18, 125,936.67 and 50,974.75 is: 70,343.06
Step by Step Solution
- Step 1: Write the proportion equation
91,261.18 : 125,936.67 = 50,974.75 : x - Step 2: Convert to fraction form
91,261.18/125,936.67 = 50,974.75/x - Step 3: Cross multiply
91,261.18x = 125,936.67 × 50,974.75 - Step 4: Simplify right side
91,261.18x = 6,419,590,269.08 - Step 5: Solve for x
x = 6,419,590,269.08/91,261.18 - Step 6: Final answer
x = 70,343.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.