Finding the Fourth Proportional to 86,729.49, 119,692.74 and 48,496.48
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Solution
The fourth proportional to 86,729.49, 119,692.74 and 48,496.48 is: 66,928.52
Step by Step Solution
- Step 1: Write the proportion equation
86,729.49 : 119,692.74 = 48,496.48 : x - Step 2: Convert to fraction form
86,729.49/119,692.74 = 48,496.48/x - Step 3: Cross multiply
86,729.49x = 119,692.74 × 48,496.48 - Step 4: Simplify right side
86,729.49x = 5,804,676,571.56 - Step 5: Solve for x
x = 5,804,676,571.56/86,729.49 - Step 6: Final answer
x = 66,928.52
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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.