Finding the Fourth Proportional to 76,779.90, 115,186.05 and 24,193.08
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Solution
The fourth proportional to 76,779.90, 115,186.05 and 24,193.08 is: 36,294.72
Step by Step Solution
- Step 1: Write the proportion equation
76,779.90 : 115,186.05 = 24,193.08 : x - Step 2: Convert to fraction form
76,779.90/115,186.05 = 24,193.08/x - Step 3: Cross multiply
76,779.90x = 115,186.05 × 24,193.08 - Step 4: Simplify right side
76,779.90x = 2,786,705,322.53 - Step 5: Solve for x
x = 2,786,705,322.53/76,779.90 - Step 6: Final answer
x = 36,294.72
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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.