Finding the Fourth Proportional to 68,787.60, 103,183.68 and 24,413.76
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Solution
The fourth proportional to 68,787.60, 103,183.68 and 24,413.76 is: 36,621.45
Step by Step Solution
- Step 1: Write the proportion equation
68,787.60 : 103,183.68 = 24,413.76 : x - Step 2: Convert to fraction form
68,787.60/103,183.68 = 24,413.76/x - Step 3: Cross multiply
68,787.60x = 103,183.68 × 24,413.76 - Step 4: Simplify right side
68,787.60x = 2,519,101,599.44 - Step 5: Solve for x
x = 2,519,101,599.44/68,787.60 - Step 6: Final answer
x = 36,621.45
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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.