Finding the Fourth Proportional to 98,911.26, 136,497.56 and 53,589.56
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Solution
The fourth proportional to 98,911.26, 136,497.56 and 53,589.56 is: 73,953.59
Step by Step Solution
- Step 1: Write the proportion equation
98,911.26 : 136,497.56 = 53,589.56 : x - Step 2: Convert to fraction form
98,911.26/136,497.56 = 53,589.56/x - Step 3: Cross multiply
98,911.26x = 136,497.56 × 53,589.56 - Step 4: Simplify right side
98,911.26x = 7,314,843,231.04 - Step 5: Solve for x
x = 7,314,843,231.04/98,911.26 - Step 6: Final answer
x = 73,953.59
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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.