Finding the Fourth Proportional to 69,649.80, 104,403.21 and 27,512.82
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Solution
The fourth proportional to 69,649.80, 104,403.21 and 27,512.82 is: 41,240.99
Step by Step Solution
- Step 1: Write the proportion equation
69,649.80 : 104,403.21 = 27,512.82 : x - Step 2: Convert to fraction form
69,649.80/104,403.21 = 27,512.82/x - Step 3: Cross multiply
69,649.80x = 104,403.21 × 27,512.82 - Step 4: Simplify right side
69,649.80x = 2,872,426,724.15 - Step 5: Solve for x
x = 2,872,426,724.15/69,649.80 - Step 6: Final answer
x = 41,240.99
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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.