Finding the Fourth Proportional to 75,531.43, 113,327.88 and 48,543.99
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Solution
The fourth proportional to 75,531.43, 113,327.88 and 48,543.99 is: 72,835.74
Step by Step Solution
- Step 1: Write the proportion equation
75,531.43 : 113,327.88 = 48,543.99 : x - Step 2: Convert to fraction form
75,531.43/113,327.88 = 48,543.99/x - Step 3: Cross multiply
75,531.43x = 113,327.88 × 48,543.99 - Step 4: Simplify right side
75,531.43x = 5,501,387,473.44 - Step 5: Solve for x
x = 5,501,387,473.44/75,531.43 - Step 6: Final answer
x = 72,835.74
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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.