Finding the Fourth Proportional to 75,958.35, 104,825.12 and 47,679.63
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Solution
The fourth proportional to 75,958.35, 104,825.12 and 47,679.63 is: 65,799.52
Step by Step Solution
- Step 1: Write the proportion equation
75,958.35 : 104,825.12 = 47,679.63 : x - Step 2: Convert to fraction form
75,958.35/104,825.12 = 47,679.63/x - Step 3: Cross multiply
75,958.35x = 104,825.12 × 47,679.63 - Step 4: Simplify right side
75,958.35x = 4,998,022,697.91 - Step 5: Solve for x
x = 4,998,022,697.91/75,958.35 - Step 6: Final answer
x = 65,799.52
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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.