Finding the Fourth Proportional to 88,359.39, 121,934.62 and 48,072.23
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Solution
The fourth proportional to 88,359.39, 121,934.62 and 48,072.23 is: 66,338.95
Step by Step Solution
- Step 1: Write the proportion equation
88,359.39 : 121,934.62 = 48,072.23 : x - Step 2: Convert to fraction form
88,359.39/121,934.62 = 48,072.23/x - Step 3: Cross multiply
88,359.39x = 121,934.62 × 48,072.23 - Step 4: Simplify right side
88,359.39x = 5,861,669,282.26 - Step 5: Solve for x
x = 5,861,669,282.26/88,359.39 - Step 6: Final answer
x = 66,338.95
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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.