Finding the Fourth Proportional to 89,226.09, 133,857.36 and 36,636.03
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Solution
The fourth proportional to 89,226.09, 133,857.36 and 36,636.03 is: 54,961.53
Step by Step Solution
- Step 1: Write the proportion equation
89,226.09 : 133,857.36 = 36,636.03 : x - Step 2: Convert to fraction form
89,226.09/133,857.36 = 36,636.03/x - Step 3: Cross multiply
89,226.09x = 133,857.36 × 36,636.03 - Step 4: Simplify right side
89,226.09x = 4,904,002,256.68 - Step 5: Solve for x
x = 4,904,002,256.68/89,226.09 - Step 6: Final answer
x = 54,961.53
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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.