Finding the Fourth Proportional to 116,616.54, 174,926.70 and 36,651.99
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Solution
The fourth proportional to 116,616.54, 174,926.70 and 36,651.99 is: 54,978.58
Step by Step Solution
- Step 1: Write the proportion equation
116,616.54 : 174,926.70 = 36,651.99 : x - Step 2: Convert to fraction form
116,616.54/174,926.70 = 36,651.99/x - Step 3: Cross multiply
116,616.54x = 174,926.70 × 36,651.99 - Step 4: Simplify right side
116,616.54x = 6,411,411,659.13 - Step 5: Solve for x
x = 6,411,411,659.13/116,616.54 - Step 6: Final answer
x = 54,978.58
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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.