Finding the Fourth Proportional to 117,444.24, 162,062.10 and 66,461.63
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Solution
The fourth proportional to 117,444.24, 162,062.10 and 66,461.63 is: 91,710.85
Step by Step Solution
- Step 1: Write the proportion equation
117,444.24 : 162,062.10 = 66,461.63 : x - Step 2: Convert to fraction form
117,444.24/162,062.10 = 66,461.63/x - Step 3: Cross multiply
117,444.24x = 162,062.10 × 66,461.63 - Step 4: Simplify right side
117,444.24x = 10,770,910,516.91 - Step 5: Solve for x
x = 10,770,910,516.91/117,444.24 - Step 6: Final answer
x = 91,710.85
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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.