Finding the Fourth Proportional to 75,524.24, 113,299.98 and 31,126.28
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Solution
The fourth proportional to 75,524.24, 113,299.98 and 31,126.28 is: 46,695.03
Step by Step Solution
- Step 1: Write the proportion equation
75,524.24 : 113,299.98 = 31,126.28 : x - Step 2: Convert to fraction form
75,524.24/113,299.98 = 31,126.28/x - Step 3: Cross multiply
75,524.24x = 113,299.98 × 31,126.28 - Step 4: Simplify right side
75,524.24x = 3,526,606,901.47 - Step 5: Solve for x
x = 3,526,606,901.47/75,524.24 - Step 6: Final answer
x = 46,695.03
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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.