Finding the Fourth Proportional to 88,093.12, 121,565.64 and 49,330.96
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Solution
The fourth proportional to 88,093.12, 121,565.64 and 49,330.96 is: 68,075.12
Step by Step Solution
- Step 1: Write the proportion equation
88,093.12 : 121,565.64 = 49,330.96 : x - Step 2: Convert to fraction form
88,093.12/121,565.64 = 49,330.96/x - Step 3: Cross multiply
88,093.12x = 121,565.64 × 49,330.96 - Step 4: Simplify right side
88,093.12x = 5,996,949,724.21 - Step 5: Solve for x
x = 5,996,949,724.21/88,093.12 - Step 6: Final answer
x = 68,075.12
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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.