Finding the Fourth Proportional to 88,498.44, 122,127.21 and 48,212.19
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Solution
The fourth proportional to 88,498.44, 122,127.21 and 48,212.19 is: 66,532.47
Step by Step Solution
- Step 1: Write the proportion equation
88,498.44 : 122,127.21 = 48,212.19 : x - Step 2: Convert to fraction form
88,498.44/122,127.21 = 48,212.19/x - Step 3: Cross multiply
88,498.44x = 122,127.21 × 48,212.19 - Step 4: Simplify right side
88,498.44x = 5,888,019,705.81 - Step 5: Solve for x
x = 5,888,019,705.81/88,498.44 - Step 6: Final answer
x = 66,532.47
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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.