Finding the Fourth Proportional to 75,487.15, 104,173.57 and 41,497.07
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Solution
The fourth proportional to 75,487.15, 104,173.57 and 41,497.07 is: 57,266.67
Step by Step Solution
- Step 1: Write the proportion equation
75,487.15 : 104,173.57 = 41,497.07 : x - Step 2: Convert to fraction form
75,487.15/104,173.57 = 41,497.07/x - Step 3: Cross multiply
75,487.15x = 104,173.57 × 41,497.07 - Step 4: Simplify right side
75,487.15x = 4,322,897,926.44 - Step 5: Solve for x
x = 4,322,897,926.44/75,487.15 - Step 6: Final answer
x = 57,266.67
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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.