Finding the Fourth Proportional to 96,332.63, 132,939.09 and 53,901.18
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Solution
The fourth proportional to 96,332.63, 132,939.09 and 53,901.18 is: 74,383.67
Step by Step Solution
- Step 1: Write the proportion equation
96,332.63 : 132,939.09 = 53,901.18 : x - Step 2: Convert to fraction form
96,332.63/132,939.09 = 53,901.18/x - Step 3: Cross multiply
96,332.63x = 132,939.09 × 53,901.18 - Step 4: Simplify right side
96,332.63x = 7,165,573,819.13 - Step 5: Solve for x
x = 7,165,573,819.13/96,332.63 - Step 6: Final answer
x = 74,383.67
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1.5x scale
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.