Finding the Fourth Proportional to 68,515.84, 102,723.92 and 46,274.08
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Solution
The fourth proportional to 68,515.84, 102,723.92 and 46,274.08 is: 69,377.46
Step by Step Solution
- Step 1: Write the proportion equation
68,515.84 : 102,723.92 = 46,274.08 : x - Step 2: Convert to fraction form
68,515.84/102,723.92 = 46,274.08/x - Step 3: Cross multiply
68,515.84x = 102,723.92 × 46,274.08 - Step 4: Simplify right side
68,515.84x = 4,753,454,891.99 - Step 5: Solve for x
x = 4,753,454,891.99/68,515.84 - Step 6: Final answer
x = 69,377.46
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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.