Finding the Fourth Proportional to 87,567.40, 120,826.65 and 49,324.06
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Solution
The fourth proportional to 87,567.40, 120,826.65 and 49,324.06 is: 68,057.99
Step by Step Solution
- Step 1: Write the proportion equation
87,567.40 : 120,826.65 = 49,324.06 : x - Step 2: Convert to fraction form
87,567.40/120,826.65 = 49,324.06/x - Step 3: Cross multiply
87,567.40x = 120,826.65 × 49,324.06 - Step 4: Simplify right side
87,567.40x = 5,959,660,934.20 - Step 5: Solve for x
x = 5,959,660,934.20/87,567.40 - Step 6: Final answer
x = 68,057.99
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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.