Finding the Fourth Proportional to 94,049.98, 129,788.99 and 53,764.63
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Solution
The fourth proportional to 94,049.98, 129,788.99 and 53,764.63 is: 74,195.20
Step by Step Solution
- Step 1: Write the proportion equation
94,049.98 : 129,788.99 = 53,764.63 : x - Step 2: Convert to fraction form
94,049.98/129,788.99 = 53,764.63/x - Step 3: Cross multiply
94,049.98x = 129,788.99 × 53,764.63 - Step 4: Simplify right side
94,049.98x = 6,978,057,025.42 - Step 5: Solve for x
x = 6,978,057,025.42/94,049.98 - Step 6: Final answer
x = 74,195.20
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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.