Finding the Fourth Proportional to 75,134.44, 103,687.14 and 41,605.48
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Solution
The fourth proportional to 75,134.44, 103,687.14 and 41,605.48 is: 57,416.46
Step by Step Solution
- Step 1: Write the proportion equation
75,134.44 : 103,687.14 = 41,605.48 : x - Step 2: Convert to fraction form
75,134.44/103,687.14 = 41,605.48/x - Step 3: Cross multiply
75,134.44x = 103,687.14 × 41,605.48 - Step 4: Simplify right side
75,134.44x = 4,313,953,229.53 - Step 5: Solve for x
x = 4,313,953,229.53/75,134.44 - Step 6: Final answer
x = 57,416.46
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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.