Finding the Fourth Proportional to 75,641.34, 104,385.06 and 41,649.96
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Solution
The fourth proportional to 75,641.34, 104,385.06 and 41,649.96 is: 57,476.95
Step by Step Solution
- Step 1: Write the proportion equation
75,641.34 : 104,385.06 = 41,649.96 : x - Step 2: Convert to fraction form
75,641.34/104,385.06 = 41,649.96/x - Step 3: Cross multiply
75,641.34x = 104,385.06 × 41,649.96 - Step 4: Simplify right side
75,641.34x = 4,347,633,573.60 - Step 5: Solve for x
x = 4,347,633,573.60/75,641.34 - Step 6: Final answer
x = 57,476.95
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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.