Finding the Fourth Proportional to 75,330.20, 103,956.53 and 41,337.74
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Solution
The fourth proportional to 75,330.20, 103,956.53 and 41,337.74 is: 57,046.55
Step by Step Solution
- Step 1: Write the proportion equation
75,330.20 : 103,956.53 = 41,337.74 : x - Step 2: Convert to fraction form
75,330.20/103,956.53 = 41,337.74/x - Step 3: Cross multiply
75,330.20x = 103,956.53 × 41,337.74 - Step 4: Simplify right side
75,330.20x = 4,297,328,061.64 - Step 5: Solve for x
x = 4,297,328,061.64/75,330.20 - Step 6: Final answer
x = 57,046.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.