Finding the Fourth Proportional to 75,436.25, 104,102.08 and 41,446.92
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Solution
The fourth proportional to 75,436.25, 104,102.08 and 41,446.92 is: 57,196.79
Step by Step Solution
- Step 1: Write the proportion equation
75,436.25 : 104,102.08 = 41,446.92 : x - Step 2: Convert to fraction form
75,436.25/104,102.08 = 41,446.92/x - Step 3: Cross multiply
75,436.25x = 104,102.08 × 41,446.92 - Step 4: Simplify right side
75,436.25x = 4,314,710,868.36 - Step 5: Solve for x
x = 4,314,710,868.36/75,436.25 - Step 6: Final answer
x = 57,196.79
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1.5x scale
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.