Finding the Fourth Proportional to 94,845.63, 130,889.61 and 52,406.91
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Solution
The fourth proportional to 94,845.63, 130,889.61 and 52,406.91 is: 72,322.99
Step by Step Solution
- Step 1: Write the proportion equation
94,845.63 : 130,889.61 = 52,406.91 : x - Step 2: Convert to fraction form
94,845.63/130,889.61 = 52,406.91/x - Step 3: Cross multiply
94,845.63x = 130,889.61 × 52,406.91 - Step 4: Simplify right side
94,845.63x = 6,859,520,011.21 - Step 5: Solve for x
x = 6,859,520,011.21/94,845.63 - Step 6: Final answer
x = 72,322.99
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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.