Finding the Fourth Proportional to 75,324.68, 103,947.52 and 41,790.68
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Solution
The fourth proportional to 75,324.68, 103,947.52 and 41,790.68 is: 57,670.84
Step by Step Solution
- Step 1: Write the proportion equation
75,324.68 : 103,947.52 = 41,790.68 : x - Step 2: Convert to fraction form
75,324.68/103,947.52 = 41,790.68/x - Step 3: Cross multiply
75,324.68x = 103,947.52 × 41,790.68 - Step 4: Simplify right side
75,324.68x = 4,344,037,545.11 - Step 5: Solve for x
x = 4,344,037,545.11/75,324.68 - Step 6: Final answer
x = 57,670.84
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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.