Finding the Fourth Proportional to 68,792.62, 102,718.15 and 61,630.70
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Solution
The fourth proportional to 68,792.62, 102,718.15 and 61,630.70 is: 92,024.28
Step by Step Solution
- Step 1: Write the proportion equation
68,792.62 : 102,718.15 = 61,630.70 : x - Step 2: Convert to fraction form
68,792.62/102,718.15 = 61,630.70/x - Step 3: Cross multiply
68,792.62x = 102,718.15 × 61,630.70 - Step 4: Simplify right side
68,792.62x = 6,330,591,179.05 - Step 5: Solve for x
x = 6,330,591,179.05/68,792.62 - Step 6: Final answer
x = 92,024.28
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.