Finding the Fourth Proportional to 79,830.32, 110,163.32 and 44,021.84
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Solution
The fourth proportional to 79,830.32, 110,163.32 and 44,021.84 is: 60,748.75
Step by Step Solution
- Step 1: Write the proportion equation
79,830.32 : 110,163.32 = 44,021.84 : x - Step 2: Convert to fraction form
79,830.32/110,163.32 = 44,021.84/x - Step 3: Cross multiply
79,830.32x = 110,163.32 × 44,021.84 - Step 4: Simplify right side
79,830.32x = 4,849,592,046.91 - Step 5: Solve for x
x = 4,849,592,046.91/79,830.32 - Step 6: Final answer
x = 60,748.75
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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.