Finding the Fourth Proportional to 77,623.41, 116,398.26 and 35,490.99
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Solution
The fourth proportional to 77,623.41, 116,398.26 and 35,490.99 is: 53,219.63
Step by Step Solution
- Step 1: Write the proportion equation
77,623.41 : 116,398.26 = 35,490.99 : x - Step 2: Convert to fraction form
77,623.41/116,398.26 = 35,490.99/x - Step 3: Cross multiply
77,623.41x = 116,398.26 × 35,490.99 - Step 4: Simplify right side
77,623.41x = 4,131,089,481.68 - Step 5: Solve for x
x = 4,131,089,481.68/77,623.41 - Step 6: Final answer
x = 53,219.63
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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.