Finding the Fourth Proportional to 76,738.05, 115,125.15 and 24,147.53
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Solution
The fourth proportional to 76,738.05, 115,125.15 and 24,147.53 is: 36,226.98
Step by Step Solution
- Step 1: Write the proportion equation
76,738.05 : 115,125.15 = 24,147.53 : x - Step 2: Convert to fraction form
76,738.05/115,125.15 = 24,147.53/x - Step 3: Cross multiply
76,738.05x = 115,125.15 × 24,147.53 - Step 4: Simplify right side
76,738.05x = 2,779,987,437.75 - Step 5: Solve for x
x = 2,779,987,437.75/76,738.05 - Step 6: Final answer
x = 36,226.98
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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.