Finding the Fourth Proportional to 88,325.19, 121,893.90 and 50,086.29
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Solution
The fourth proportional to 88,325.19, 121,893.90 and 50,086.29 is: 69,121.99
Step by Step Solution
- Step 1: Write the proportion equation
88,325.19 : 121,893.90 = 50,086.29 : x - Step 2: Convert to fraction form
88,325.19/121,893.90 = 50,086.29/x - Step 3: Cross multiply
88,325.19x = 121,893.90 × 50,086.29 - Step 4: Simplify right side
88,325.19x = 6,105,213,224.63 - Step 5: Solve for x
x = 6,105,213,224.63/88,325.19 - Step 6: Final answer
x = 69,121.99
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1.5x scale
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.