Finding the Fourth Proportional to 75,126.40, 103,677.36 and 41,132.86
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Solution
The fourth proportional to 75,126.40, 103,677.36 and 41,132.86 is: 56,764.95
Step by Step Solution
- Step 1: Write the proportion equation
75,126.40 : 103,677.36 = 41,132.86 : x - Step 2: Convert to fraction form
75,126.40/103,677.36 = 41,132.86/x - Step 3: Cross multiply
75,126.40x = 103,677.36 × 41,132.86 - Step 4: Simplify right side
75,126.40x = 4,264,546,334.05 - Step 5: Solve for x
x = 4,264,546,334.05/75,126.40 - Step 6: Final answer
x = 56,764.95
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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.