Finding the Fourth Proportional to 68,552.98, 102,683.64 and 40,442.74
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Solution
The fourth proportional to 68,552.98, 102,683.64 and 40,442.74 is: 60,578.08
Step by Step Solution
- Step 1: Write the proportion equation
68,552.98 : 102,683.64 = 40,442.74 : x - Step 2: Convert to fraction form
68,552.98/102,683.64 = 40,442.74/x - Step 3: Cross multiply
68,552.98x = 102,683.64 × 40,442.74 - Step 4: Simplify right side
68,552.98x = 4,152,807,754.77 - Step 5: Solve for x
x = 4,152,807,754.77/68,552.98 - Step 6: Final answer
x = 60,578.08
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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.