Finding the Fourth Proportional to 114,022.26, 157,350.96 and 63,721.26
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Solution
The fourth proportional to 114,022.26, 157,350.96 and 63,721.26 is: 87,935.47
Step by Step Solution
- Step 1: Write the proportion equation
114,022.26 : 157,350.96 = 63,721.26 : x - Step 2: Convert to fraction form
114,022.26/157,350.96 = 63,721.26/x - Step 3: Cross multiply
114,022.26x = 157,350.96 × 63,721.26 - Step 4: Simplify right side
114,022.26x = 10,026,601,433.41 - Step 5: Solve for x
x = 10,026,601,433.41/114,022.26 - Step 6: Final answer
x = 87,935.47
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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.