Finding the Fourth Proportional to 88,168.62, 121,709.93 and 59,527.08
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Solution
The fourth proportional to 88,168.62, 121,709.93 and 59,527.08 is: 82,172.51
Step by Step Solution
- Step 1: Write the proportion equation
88,168.62 : 121,709.93 = 59,527.08 : x - Step 2: Convert to fraction form
88,168.62/121,709.93 = 59,527.08/x - Step 3: Cross multiply
88,168.62x = 121,709.93 × 59,527.08 - Step 4: Simplify right side
88,168.62x = 7,245,036,739.90 - Step 5: Solve for x
x = 7,245,036,739.90/88,168.62 - Step 6: Final answer
x = 82,172.51
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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.