Finding the Fourth Proportional to 68,259.30, 102,432.68 and 33,179.82
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Solution
The fourth proportional to 68,259.30, 102,432.68 and 33,179.82 is: 49,790.99
Step by Step Solution
- Step 1: Write the proportion equation
68,259.30 : 102,432.68 = 33,179.82 : x - Step 2: Convert to fraction form
68,259.30/102,432.68 = 33,179.82/x - Step 3: Cross multiply
68,259.30x = 102,432.68 × 33,179.82 - Step 4: Simplify right side
68,259.30x = 3,398,697,884.52 - Step 5: Solve for x
x = 3,398,697,884.52/68,259.30 - Step 6: Final answer
x = 49,790.99
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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.