Finding the Fourth Proportional to 116,710.20, 161,053.52 and 68,967.99
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Solution
The fourth proportional to 116,710.20, 161,053.52 and 68,967.99 is: 95,171.95
Step by Step Solution
- Step 1: Write the proportion equation
116,710.20 : 161,053.52 = 68,967.99 : x - Step 2: Convert to fraction form
116,710.20/161,053.52 = 68,967.99/x - Step 3: Cross multiply
116,710.20x = 161,053.52 × 68,967.99 - Step 4: Simplify right side
116,710.20x = 11,107,537,211.98 - Step 5: Solve for x
x = 11,107,537,211.98/116,710.20 - Step 6: Final answer
x = 95,171.95
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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.