Finding the Fourth Proportional to 88,655.41, 122,340.18 and 48,366.78
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Solution
The fourth proportional to 88,655.41, 122,340.18 and 48,366.78 is: 66,743.82
Step by Step Solution
- Step 1: Write the proportion equation
88,655.41 : 122,340.18 = 48,366.78 : x - Step 2: Convert to fraction form
88,655.41/122,340.18 = 48,366.78/x - Step 3: Cross multiply
88,655.41x = 122,340.18 × 48,366.78 - Step 4: Simplify right side
88,655.41x = 5,917,200,571.22 - Step 5: Solve for x
x = 5,917,200,571.22/88,655.41 - Step 6: Final answer
x = 66,743.82
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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.