Finding the Fourth Proportional to 68,699.62, 103,087.70 and 37,108.99
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Solution
The fourth proportional to 68,699.62, 103,087.70 and 37,108.99 is: 55,684.16
Step by Step Solution
- Step 1: Write the proportion equation
68,699.62 : 103,087.70 = 37,108.99 : x - Step 2: Convert to fraction form
68,699.62/103,087.70 = 37,108.99/x - Step 3: Cross multiply
68,699.62x = 103,087.70 × 37,108.99 - Step 4: Simplify right side
68,699.62x = 3,825,480,428.42 - Step 5: Solve for x
x = 3,825,480,428.42/68,699.62 - Step 6: Final answer
x = 55,684.16
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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.