Finding the Fourth Proportional to 68,217.62, 102,390.42 and 41,973.62
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Solution
The fourth proportional to 68,217.62, 102,390.42 and 41,973.62 is: 62,999.80
Step by Step Solution
- Step 1: Write the proportion equation
68,217.62 : 102,390.42 = 41,973.62 : x - Step 2: Convert to fraction form
68,217.62/102,390.42 = 41,973.62/x - Step 3: Cross multiply
68,217.62x = 102,390.42 × 41,973.62 - Step 4: Simplify right side
68,217.62x = 4,297,696,580.72 - Step 5: Solve for x
x = 4,297,696,580.72/68,217.62 - Step 6: Final answer
x = 62,999.80
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1.5x scale
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.