Finding the Fourth Proportional to 75,125.30, 103,672.91 and 41,591.30
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Solution
The fourth proportional to 75,125.30, 103,672.91 and 41,591.30 is: 57,395.99
Step by Step Solution
- Step 1: Write the proportion equation
75,125.30 : 103,672.91 = 41,591.30 : x - Step 2: Convert to fraction form
75,125.30/103,672.91 = 41,591.30/x - Step 3: Cross multiply
75,125.30x = 103,672.91 × 41,591.30 - Step 4: Simplify right side
75,125.30x = 4,311,891,101.68 - Step 5: Solve for x
x = 4,311,891,101.68/75,125.30 - Step 6: Final answer
x = 57,395.99
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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.