Finding the Fourth Proportional to 88,406.08, 122,045.68 and 68,217.76
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Solution
The fourth proportional to 88,406.08, 122,045.68 and 68,217.76 is: 94,175.46
Step by Step Solution
- Step 1: Write the proportion equation
88,406.08 : 122,045.68 = 68,217.76 : x - Step 2: Convert to fraction form
88,406.08/122,045.68 = 68,217.76/x - Step 3: Cross multiply
88,406.08x = 122,045.68 × 68,217.76 - Step 4: Simplify right side
88,406.08x = 8,325,682,907.28 - Step 5: Solve for x
x = 8,325,682,907.28/88,406.08 - Step 6: Final answer
x = 94,175.46
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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.