Finding the Fourth Proportional to 88,376.37, 121,956.94 and 48,089.19
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Solution
The fourth proportional to 88,376.37, 121,956.94 and 48,089.19 is: 66,361.76
Step by Step Solution
- Step 1: Write the proportion equation
88,376.37 : 121,956.94 = 48,089.19 : x - Step 2: Convert to fraction form
88,376.37/121,956.94 = 48,089.19/x - Step 3: Cross multiply
88,376.37x = 121,956.94 × 48,089.19 - Step 4: Simplify right side
88,376.37x = 5,864,810,976.93 - Step 5: Solve for x
x = 5,864,810,976.93/88,376.37 - Step 6: Final answer
x = 66,361.76
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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.