Finding the Fourth Proportional to 98,668.04, 136,161.87 and 53,346.02
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Solution
The fourth proportional to 98,668.04, 136,161.87 and 53,346.02 is: 73,617.50
Step by Step Solution
- Step 1: Write the proportion equation
98,668.04 : 136,161.87 = 53,346.02 : x - Step 2: Convert to fraction form
98,668.04/136,161.87 = 53,346.02/x - Step 3: Cross multiply
98,668.04x = 136,161.87 × 53,346.02 - Step 4: Simplify right side
98,668.04x = 7,263,693,717.44 - Step 5: Solve for x
x = 7,263,693,717.44/98,668.04 - Step 6: Final answer
x = 73,617.50
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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.