Finding the Fourth Proportional to 88,415.75, 122,013.74 and 48,671.75
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Solution
The fourth proportional to 88,415.75, 122,013.74 and 48,671.75 is: 67,167.02
Step by Step Solution
- Step 1: Write the proportion equation
88,415.75 : 122,013.74 = 48,671.75 : x - Step 2: Convert to fraction form
88,415.75/122,013.74 = 48,671.75/x - Step 3: Cross multiply
88,415.75x = 122,013.74 × 48,671.75 - Step 4: Simplify right side
88,415.75x = 5,938,622,249.85 - Step 5: Solve for x
x = 5,938,622,249.85/88,415.75 - Step 6: Final answer
x = 67,167.02
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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.