Finding the Fourth Proportional to 75,626.43, 113,241.46 and 53,319.03
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Solution
The fourth proportional to 75,626.43, 113,241.46 and 53,319.03 is: 79,838.82
Step by Step Solution
- Step 1: Write the proportion equation
75,626.43 : 113,241.46 = 53,319.03 : x - Step 2: Convert to fraction form
75,626.43/113,241.46 = 53,319.03/x - Step 3: Cross multiply
75,626.43x = 113,241.46 × 53,319.03 - Step 4: Simplify right side
75,626.43x = 6,037,924,802.98 - Step 5: Solve for x
x = 6,037,924,802.98/75,626.43 - Step 6: Final answer
x = 79,838.82
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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.