Finding the Fourth Proportional to 88,578.15, 122,237.12 and 48,291.18
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Solution
The fourth proportional to 88,578.15, 122,237.12 and 48,291.18 is: 66,641.43
Step by Step Solution
- Step 1: Write the proportion equation
88,578.15 : 122,237.12 = 48,291.18 : x - Step 2: Convert to fraction form
88,578.15/122,237.12 = 48,291.18/x - Step 3: Cross multiply
88,578.15x = 122,237.12 × 48,291.18 - Step 4: Simplify right side
88,578.15x = 5,902,974,523.15 - Step 5: Solve for x
x = 5,902,974,523.15/88,578.15 - Step 6: Final answer
x = 66,641.43
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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.