Finding the Fourth Proportional to 75,613.24, 104,171.58 and 54,355.72
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Solution
The fourth proportional to 75,613.24, 104,171.58 and 54,355.72 is: 74,885.31
Step by Step Solution
- Step 1: Write the proportion equation
75,613.24 : 104,171.58 = 54,355.72 : x - Step 2: Convert to fraction form
75,613.24/104,171.58 = 54,355.72/x - Step 3: Cross multiply
75,613.24x = 104,171.58 × 54,355.72 - Step 4: Simplify right side
75,613.24x = 5,662,321,234.44 - Step 5: Solve for x
x = 5,662,321,234.44/75,613.24 - Step 6: Final answer
x = 74,885.31
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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.