Finding the Fourth Proportional to 75,108.24, 103,649.51 and 41,118.84
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Solution
The fourth proportional to 75,108.24, 103,649.51 and 41,118.84 is: 56,744.08
Step by Step Solution
- Step 1: Write the proportion equation
75,108.24 : 103,649.51 = 41,118.84 : x - Step 2: Convert to fraction form
75,108.24/103,649.51 = 41,118.84/x - Step 3: Cross multiply
75,108.24x = 103,649.51 × 41,118.84 - Step 4: Simplify right side
75,108.24x = 4,261,947,720.57 - Step 5: Solve for x
x = 4,261,947,720.57/75,108.24 - Step 6: Final answer
x = 56,744.08
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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.