Finding the Fourth Proportional to 76,590.68, 114,817.80 and 29,832.80
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Solution
The fourth proportional to 76,590.68, 114,817.80 and 29,832.80 is: 44,722.63
Step by Step Solution
- Step 1: Write the proportion equation
76,590.68 : 114,817.80 = 29,832.80 : x - Step 2: Convert to fraction form
76,590.68/114,817.80 = 29,832.80/x - Step 3: Cross multiply
76,590.68x = 114,817.80 × 29,832.80 - Step 4: Simplify right side
76,590.68x = 3,425,336,463.84 - Step 5: Solve for x
x = 3,425,336,463.84/76,590.68 - Step 6: Final answer
x = 44,722.63
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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.