Finding the Fourth Proportional to 88,449.30, 122,058.28 and 48,163.54
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Solution
The fourth proportional to 88,449.30, 122,058.28 and 48,163.54 is: 66,464.73
Step by Step Solution
- Step 1: Write the proportion equation
88,449.30 : 122,058.28 = 48,163.54 : x - Step 2: Convert to fraction form
88,449.30/122,058.28 = 48,163.54/x - Step 3: Cross multiply
88,449.30x = 122,058.28 × 48,163.54 - Step 4: Simplify right side
88,449.30x = 5,878,758,851.11 - Step 5: Solve for x
x = 5,878,758,851.11/88,449.30 - Step 6: Final answer
x = 66,464.73
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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.