Finding the Fourth Proportional to 68,501.09, 102,753.77 and 18,581.00
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Solution
The fourth proportional to 68,501.09, 102,753.77 and 18,581.00 is: 27,872.07
Step by Step Solution
- Step 1: Write the proportion equation
68,501.09 : 102,753.77 = 18,581.00 : x - Step 2: Convert to fraction form
68,501.09/102,753.77 = 18,581.00/x - Step 3: Cross multiply
68,501.09x = 102,753.77 × 18,581.00 - Step 4: Simplify right side
68,501.09x = 1,909,267,193.70 - Step 5: Solve for x
x = 1,909,267,193.70/68,501.09 - Step 6: Final answer
x = 27,872.07
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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.