Finding the Fourth Proportional to 68,443.26, 102,697.68 and 33,363.78
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Solution
The fourth proportional to 68,443.26, 102,697.68 and 33,363.78 is: 50,061.65
Step by Step Solution
- Step 1: Write the proportion equation
68,443.26 : 102,697.68 = 33,363.78 : x - Step 2: Convert to fraction form
68,443.26/102,697.68 = 33,363.78/x - Step 3: Cross multiply
68,443.26x = 102,697.68 × 33,363.78 - Step 4: Simplify right side
68,443.26x = 3,426,382,802.03 - Step 5: Solve for x
x = 3,426,382,802.03/68,443.26 - Step 6: Final answer
x = 50,061.65
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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.