Finding the Fourth Proportional to 68,697.62, 103,084.70 and 37,106.99
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Solution
The fourth proportional to 68,697.62, 103,084.70 and 37,106.99 is: 55,681.15
Step by Step Solution
- Step 1: Write the proportion equation
68,697.62 : 103,084.70 = 37,106.99 : x - Step 2: Convert to fraction form
68,697.62/103,084.70 = 37,106.99/x - Step 3: Cross multiply
68,697.62x = 103,084.70 × 37,106.99 - Step 4: Simplify right side
68,697.62x = 3,825,162,231.09 - Step 5: Solve for x
x = 3,825,162,231.09/68,697.62 - Step 6: Final answer
x = 55,681.15
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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.