Finding the Fourth Proportional to 68,272.88, 102,771.62 and 48,686.96
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Solution
The fourth proportional to 68,272.88, 102,771.62 and 48,686.96 is: 73,288.80
Step by Step Solution
- Step 1: Write the proportion equation
68,272.88 : 102,771.62 = 48,686.96 : x - Step 2: Convert to fraction form
68,272.88/102,771.62 = 48,686.96/x - Step 3: Cross multiply
68,272.88x = 102,771.62 × 48,686.96 - Step 4: Simplify right side
68,272.88x = 5,003,637,752.08 - Step 5: Solve for x
x = 5,003,637,752.08/68,272.88 - Step 6: Final answer
x = 73,288.80
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.