Finding the Fourth Proportional to 75,084.84, 103,617.11 and 41,093.30
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Solution
The fourth proportional to 75,084.84, 103,617.11 and 41,093.30 is: 56,708.78
Step by Step Solution
- Step 1: Write the proportion equation
75,084.84 : 103,617.11 = 41,093.30 : x - Step 2: Convert to fraction form
75,084.84/103,617.11 = 41,093.30/x - Step 3: Cross multiply
75,084.84x = 103,617.11 × 41,093.30 - Step 4: Simplify right side
75,084.84x = 4,257,969,348.14 - Step 5: Solve for x
x = 4,257,969,348.14/75,084.84 - Step 6: Final answer
x = 56,708.78
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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.