Finding the Fourth Proportional to 96,343.19, 132,953.76 and 53,901.75
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Solution
The fourth proportional to 96,343.19, 132,953.76 and 53,901.75 is: 74,384.51
Step by Step Solution
- Step 1: Write the proportion equation
96,343.19 : 132,953.76 = 53,901.75 : x - Step 2: Convert to fraction form
96,343.19/132,953.76 = 53,901.75/x - Step 3: Cross multiply
96,343.19x = 132,953.76 × 53,901.75 - Step 4: Simplify right side
96,343.19x = 7,166,440,333.08 - Step 5: Solve for x
x = 7,166,440,333.08/96,343.19 - Step 6: Final answer
x = 74,384.51
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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.