Finding the Fourth Proportional to 75,804.32, 113,755.68 and 34,251.68
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Solution
The fourth proportional to 75,804.32, 113,755.68 and 34,251.68 is: 51,399.75
Step by Step Solution
- Step 1: Write the proportion equation
75,804.32 : 113,755.68 = 34,251.68 : x - Step 2: Convert to fraction form
75,804.32/113,755.68 = 34,251.68/x - Step 3: Cross multiply
75,804.32x = 113,755.68 × 34,251.68 - Step 4: Simplify right side
75,804.32x = 3,896,323,149.54 - Step 5: Solve for x
x = 3,896,323,149.54/75,804.32 - Step 6: Final answer
x = 51,399.75
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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.