Finding the Fourth Proportional to 88,194.64, 121,715.04 and 50,468.08
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Solution
The fourth proportional to 88,194.64, 121,715.04 and 50,468.08 is: 69,649.63
Step by Step Solution
- Step 1: Write the proportion equation
88,194.64 : 121,715.04 = 50,468.08 : x - Step 2: Convert to fraction form
88,194.64/121,715.04 = 50,468.08/x - Step 3: Cross multiply
88,194.64x = 121,715.04 × 50,468.08 - Step 4: Simplify right side
88,194.64x = 6,142,724,375.92 - Step 5: Solve for x
x = 6,142,724,375.92/88,194.64 - Step 6: Final answer
x = 69,649.63
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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.