Finding the Fourth Proportional to 84,861.75, 127,292.63 and 29,457.75
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Solution
The fourth proportional to 84,861.75, 127,292.63 and 29,457.75 is: 44,186.63
Step by Step Solution
- Step 1: Write the proportion equation
84,861.75 : 127,292.63 = 29,457.75 : x - Step 2: Convert to fraction form
84,861.75/127,292.63 = 29,457.75/x - Step 3: Cross multiply
84,861.75x = 127,292.63 × 29,457.75 - Step 4: Simplify right side
84,861.75x = 3,749,754,324.09 - Step 5: Solve for x
x = 3,749,754,324.09/84,861.75 - Step 6: Final answer
x = 44,186.63
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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.