Finding the Fourth Proportional to 75,640.01, 104,382.35 and 41,647.79
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Solution
The fourth proportional to 75,640.01, 104,382.35 and 41,647.79 is: 57,473.47
Step by Step Solution
- Step 1: Write the proportion equation
75,640.01 : 104,382.35 = 41,647.79 : x - Step 2: Convert to fraction form
75,640.01/104,382.35 = 41,647.79/x - Step 3: Cross multiply
75,640.01x = 104,382.35 × 41,647.79 - Step 4: Simplify right side
75,640.01x = 4,347,293,670.59 - Step 5: Solve for x
x = 4,347,293,670.59/75,640.01 - Step 6: Final answer
x = 57,473.47
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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.