Finding the Fourth Proportional to 73,644.12, 101,693.88 and 54,748.44
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Solution
The fourth proportional to 73,644.12, 101,693.88 and 54,748.44 is: 75,601.17
Step by Step Solution
- Step 1: Write the proportion equation
73,644.12 : 101,693.88 = 54,748.44 : x - Step 2: Convert to fraction form
73,644.12/101,693.88 = 54,748.44/x - Step 3: Cross multiply
73,644.12x = 101,693.88 × 54,748.44 - Step 4: Simplify right side
73,644.12x = 5,567,581,287.55 - Step 5: Solve for x
x = 5,567,581,287.55/73,644.12 - Step 6: Final answer
x = 75,601.17
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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.