Finding the Fourth Proportional to 75,013.09, 103,517.80 and 41,479.09
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Solution
The fourth proportional to 75,013.09, 103,517.80 and 41,479.09 is: 57,241.00
Step by Step Solution
- Step 1: Write the proportion equation
75,013.09 : 103,517.80 = 41,479.09 : x - Step 2: Convert to fraction form
75,013.09/103,517.80 = 41,479.09/x - Step 3: Cross multiply
75,013.09x = 103,517.80 × 41,479.09 - Step 4: Simplify right side
75,013.09x = 4,293,824,142.80 - Step 5: Solve for x
x = 4,293,824,142.80/75,013.09 - Step 6: Final answer
x = 57,241.00
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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.