Finding the Fourth Proportional to 74,772.99, 103,183.08 and 44,557.64
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Solution
The fourth proportional to 74,772.99, 103,183.08 and 44,557.64 is: 61,487.37
Step by Step Solution
- Step 1: Write the proportion equation
74,772.99 : 103,183.08 = 44,557.64 : x - Step 2: Convert to fraction form
74,772.99/103,183.08 = 44,557.64/x - Step 3: Cross multiply
74,772.99x = 103,183.08 × 44,557.64 - Step 4: Simplify right side
74,772.99x = 4,597,594,532.73 - Step 5: Solve for x
x = 4,597,594,532.73/74,772.99 - Step 6: Final answer
x = 61,487.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.