Finding the Fourth Proportional to 88,564.44, 122,218.80 and 48,278.28
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Solution
The fourth proportional to 88,564.44, 122,218.80 and 48,278.28 is: 66,623.96
Step by Step Solution
- Step 1: Write the proportion equation
88,564.44 : 122,218.80 = 48,278.28 : x - Step 2: Convert to fraction form
88,564.44/122,218.80 = 48,278.28/x - Step 3: Cross multiply
88,564.44x = 122,218.80 × 48,278.28 - Step 4: Simplify right side
88,564.44x = 5,900,513,447.66 - Step 5: Solve for x
x = 5,900,513,447.66/88,564.44 - Step 6: Final answer
x = 66,623.96
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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.