Finding the Fourth Proportional to 75,575.66, 104,251.09 and 47,232.14
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Solution
The fourth proportional to 75,575.66, 104,251.09 and 47,232.14 is: 65,153.28
Step by Step Solution
- Step 1: Write the proportion equation
75,575.66 : 104,251.09 = 47,232.14 : x - Step 2: Convert to fraction form
75,575.66/104,251.09 = 47,232.14/x - Step 3: Cross multiply
75,575.66x = 104,251.09 × 47,232.14 - Step 4: Simplify right side
75,575.66x = 4,924,002,113.67 - Step 5: Solve for x
x = 4,924,002,113.67/75,575.66 - Step 6: Final answer
x = 65,153.28
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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.