Finding the Fourth Proportional to 98,161.92, 135,526.08 and 60,457.92
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Solution
The fourth proportional to 98,161.92, 135,526.08 and 60,457.92 is: 83,470.50
Step by Step Solution
- Step 1: Write the proportion equation
98,161.92 : 135,526.08 = 60,457.92 : x - Step 2: Convert to fraction form
98,161.92/135,526.08 = 60,457.92/x - Step 3: Cross multiply
98,161.92x = 135,526.08 × 60,457.92 - Step 4: Simplify right side
98,161.92x = 8,193,624,902.55 - Step 5: Solve for x
x = 8,193,624,902.55/98,161.92 - Step 6: Final answer
x = 83,470.50
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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.