Finding the Fourth Proportional to 68,145.40, 102,104.66 and 23,747.68
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Solution
The fourth proportional to 68,145.40, 102,104.66 and 23,747.68 is: 35,581.99
Step by Step Solution
- Step 1: Write the proportion equation
68,145.40 : 102,104.66 = 23,747.68 : x - Step 2: Convert to fraction form
68,145.40/102,104.66 = 23,747.68/x - Step 3: Cross multiply
68,145.40x = 102,104.66 × 23,747.68 - Step 4: Simplify right side
68,145.40x = 2,424,748,792.19 - Step 5: Solve for x
x = 2,424,748,792.19/68,145.40 - Step 6: Final answer
x = 35,581.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.