Finding the Fourth Proportional to 94,651.24, 130,618.84 and 54,372.80
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Solution
The fourth proportional to 94,651.24, 130,618.84 and 54,372.80 is: 75,034.54
Step by Step Solution
- Step 1: Write the proportion equation
94,651.24 : 130,618.84 = 54,372.80 : x - Step 2: Convert to fraction form
94,651.24/130,618.84 = 54,372.80/x - Step 3: Cross multiply
94,651.24x = 130,618.84 × 54,372.80 - Step 4: Simplify right side
94,651.24x = 7,102,112,063.55 - Step 5: Solve for x
x = 7,102,112,063.55/94,651.24 - Step 6: Final answer
x = 75,034.54
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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.