Finding the Fourth Proportional to 88,240.92, 121,717.62 and 52,405.08
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Solution
The fourth proportional to 88,240.92, 121,717.62 and 52,405.08 is: 72,286.44
Step by Step Solution
- Step 1: Write the proportion equation
88,240.92 : 121,717.62 = 52,405.08 : x - Step 2: Convert to fraction form
88,240.92/121,717.62 = 52,405.08/x - Step 3: Cross multiply
88,240.92x = 121,717.62 × 52,405.08 - Step 4: Simplify right side
88,240.92x = 6,378,621,613.51 - Step 5: Solve for x
x = 6,378,621,613.51/88,240.92 - Step 6: Final answer
x = 72,286.44
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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.