Finding the Fourth Proportional to 75,764.62, 113,717.04 and 38,350.98
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Solution
The fourth proportional to 75,764.62, 113,717.04 and 38,350.98 is: 57,561.96
Step by Step Solution
- Step 1: Write the proportion equation
75,764.62 : 113,717.04 = 38,350.98 : x - Step 2: Convert to fraction form
75,764.62/113,717.04 = 38,350.98/x - Step 3: Cross multiply
75,764.62x = 113,717.04 × 38,350.98 - Step 4: Simplify right side
75,764.62x = 4,361,159,926.70 - Step 5: Solve for x
x = 4,361,159,926.70/75,764.62 - Step 6: Final answer
x = 57,561.96
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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.