Finding the Fourth Proportional to 98,694.63, 136,199.67 and 53,373.48
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Solution
The fourth proportional to 98,694.63, 136,199.67 and 53,373.48 is: 73,655.99
Step by Step Solution
- Step 1: Write the proportion equation
98,694.63 : 136,199.67 = 53,373.48 : x - Step 2: Convert to fraction form
98,694.63/136,199.67 = 53,373.48/x - Step 3: Cross multiply
98,694.63x = 136,199.67 × 53,373.48 - Step 4: Simplify right side
98,694.63x = 7,269,450,362.75 - Step 5: Solve for x
x = 7,269,450,362.75/98,694.63 - Step 6: Final answer
x = 73,655.99
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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.