Finding the Fourth Proportional to 68,433.96, 102,649.84 and 56,722.44
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Solution
The fourth proportional to 68,433.96, 102,649.84 and 56,722.44 is: 85,082.75
Step by Step Solution
- Step 1: Write the proportion equation
68,433.96 : 102,649.84 = 56,722.44 : x - Step 2: Convert to fraction form
68,433.96/102,649.84 = 56,722.44/x - Step 3: Cross multiply
68,433.96x = 102,649.84 × 56,722.44 - Step 4: Simplify right side
68,433.96x = 5,822,549,390.41 - Step 5: Solve for x
x = 5,822,549,390.41/68,433.96 - Step 6: Final answer
x = 85,082.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.