Finding the Fourth Proportional to 88,540.74, 122,183.12 and 48,253.70
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Solution
The fourth proportional to 88,540.74, 122,183.12 and 48,253.70 is: 66,588.41
Step by Step Solution
- Step 1: Write the proportion equation
88,540.74 : 122,183.12 = 48,253.70 : x - Step 2: Convert to fraction form
88,540.74/122,183.12 = 48,253.70/x - Step 3: Cross multiply
88,540.74x = 122,183.12 × 48,253.70 - Step 4: Simplify right side
88,540.74x = 5,895,787,127.26 - Step 5: Solve for x
x = 5,895,787,127.26/88,540.74 - Step 6: Final answer
x = 66,588.41
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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.