Finding the Fourth Proportional to 96,302.74, 132,910.32 and 53,870.08
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Solution
The fourth proportional to 96,302.74, 132,910.32 and 53,870.08 is: 74,347.72
Step by Step Solution
- Step 1: Write the proportion equation
96,302.74 : 132,910.32 = 53,870.08 : x - Step 2: Convert to fraction form
96,302.74/132,910.32 = 53,870.08/x - Step 3: Cross multiply
96,302.74x = 132,910.32 × 53,870.08 - Step 4: Simplify right side
96,302.74x = 7,159,889,571.23 - Step 5: Solve for x
x = 7,159,889,571.23/96,302.74 - Step 6: Final answer
x = 74,347.72
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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.