Finding the Fourth Proportional to 88,642.68, 122,326.73 and 48,356.43
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Solution
The fourth proportional to 88,642.68, 122,326.73 and 48,356.43 is: 66,731.79
Step by Step Solution
- Step 1: Write the proportion equation
88,642.68 : 122,326.73 = 48,356.43 : x - Step 2: Convert to fraction form
88,642.68/122,326.73 = 48,356.43/x - Step 3: Cross multiply
88,642.68x = 122,326.73 × 48,356.43 - Step 4: Simplify right side
88,642.68x = 5,915,284,125.29 - Step 5: Solve for x
x = 5,915,284,125.29/88,642.68 - Step 6: Final answer
x = 66,731.79
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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.