Finding the Fourth Proportional to 88,373.78, 121,956.34 and 48,087.84
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Solution
The fourth proportional to 88,373.78, 121,956.34 and 48,087.84 is: 66,361.50
Step by Step Solution
- Step 1: Write the proportion equation
88,373.78 : 121,956.34 = 48,087.84 : x - Step 2: Convert to fraction form
88,373.78/121,956.34 = 48,087.84/x - Step 3: Cross multiply
88,373.78x = 121,956.34 × 48,087.84 - Step 4: Simplify right side
88,373.78x = 5,864,616,964.91 - Step 5: Solve for x
x = 5,864,616,964.91/88,373.78 - Step 6: Final answer
x = 66,361.50
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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.