Finding the Fourth Proportional to 74,629.62, 102,984.21 and 41,095.62
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Solution
The fourth proportional to 74,629.62, 102,984.21 and 41,095.62 is: 56,709.39
Step by Step Solution
- Step 1: Write the proportion equation
74,629.62 : 102,984.21 = 41,095.62 : x - Step 2: Convert to fraction form
74,629.62/102,984.21 = 41,095.62/x - Step 3: Cross multiply
74,629.62x = 102,984.21 × 41,095.62 - Step 4: Simplify right side
74,629.62x = 4,232,199,960.16 - Step 5: Solve for x
x = 4,232,199,960.16/74,629.62 - Step 6: Final answer
x = 56,709.39
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1.5x scale
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.