Finding the Fourth Proportional to 88,324.62, 121,888.79 and 48,039.18
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Solution
The fourth proportional to 88,324.62, 121,888.79 and 48,039.18 is: 66,294.51
Step by Step Solution
- Step 1: Write the proportion equation
88,324.62 : 121,888.79 = 48,039.18 : x - Step 2: Convert to fraction form
88,324.62/121,888.79 = 48,039.18/x - Step 3: Cross multiply
88,324.62x = 121,888.79 × 48,039.18 - Step 4: Simplify right side
88,324.62x = 5,855,437,522.79 - Step 5: Solve for x
x = 5,855,437,522.79/88,324.62 - Step 6: Final answer
x = 66,294.51
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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.