Finding the Fourth Proportional to 88,183.54, 121,691.26 and 47,896.41
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Solution
The fourth proportional to 88,183.54, 121,691.26 and 47,896.41 is: 66,095.95
Step by Step Solution
- Step 1: Write the proportion equation
88,183.54 : 121,691.26 = 47,896.41 : x - Step 2: Convert to fraction form
88,183.54/121,691.26 = 47,896.41/x - Step 3: Cross multiply
88,183.54x = 121,691.26 × 47,896.41 - Step 4: Simplify right side
88,183.54x = 5,828,574,998.59 - Step 5: Solve for x
x = 5,828,574,998.59/88,183.54 - Step 6: Final answer
x = 66,095.95
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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.