Finding the Fourth Proportional to 98,527.75, 135,968.84 and 53,815.75
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Solution
The fourth proportional to 98,527.75, 135,968.84 and 53,815.75 is: 74,266.03
Step by Step Solution
- Step 1: Write the proportion equation
98,527.75 : 135,968.84 = 53,815.75 : x - Step 2: Convert to fraction form
98,527.75/135,968.84 = 53,815.75/x - Step 3: Cross multiply
98,527.75x = 135,968.84 × 53,815.75 - Step 4: Simplify right side
98,527.75x = 7,317,265,101.23 - Step 5: Solve for x
x = 7,317,265,101.23/98,527.75 - Step 6: Final answer
x = 74,266.03
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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.