Finding the Fourth Proportional to 75,648.92, 113,489.69 and 37,718.87
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Solution
The fourth proportional to 75,648.92, 113,489.69 and 37,718.87 is: 56,586.43
Step by Step Solution
- Step 1: Write the proportion equation
75,648.92 : 113,489.69 = 37,718.87 : x - Step 2: Convert to fraction form
75,648.92/113,489.69 = 37,718.87/x - Step 3: Cross multiply
75,648.92x = 113,489.69 × 37,718.87 - Step 4: Simplify right side
75,648.92x = 4,280,702,107.41 - Step 5: Solve for x
x = 4,280,702,107.41/75,648.92 - Step 6: Final answer
x = 56,586.43
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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.