Finding the Fourth Proportional to 76,155.12, 114,231.87 and 29,375.19
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Solution
The fourth proportional to 76,155.12, 114,231.87 and 29,375.19 is: 44,062.47
Step by Step Solution
- Step 1: Write the proportion equation
76,155.12 : 114,231.87 = 29,375.19 : x - Step 2: Convert to fraction form
76,155.12/114,231.87 = 29,375.19/x - Step 3: Cross multiply
76,155.12x = 114,231.87 × 29,375.19 - Step 4: Simplify right side
76,155.12x = 3,355,582,885.31 - Step 5: Solve for x
x = 3,355,582,885.31/76,155.12 - Step 6: Final answer
x = 44,062.47
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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.