Finding the Fourth Proportional to 98,243.23, 135,575.65 and 53,531.23
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Solution
The fourth proportional to 98,243.23, 135,575.65 and 53,531.23 is: 73,873.09
Step by Step Solution
- Step 1: Write the proportion equation
98,243.23 : 135,575.65 = 53,531.23 : x - Step 2: Convert to fraction form
98,243.23/135,575.65 = 53,531.23/x - Step 3: Cross multiply
98,243.23x = 135,575.65 × 53,531.23 - Step 4: Simplify right side
98,243.23x = 7,257,531,302.55 - Step 5: Solve for x
x = 7,257,531,302.55/98,243.23 - Step 6: Final answer
x = 73,873.09
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1.5x scale
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.