Finding the Fourth Proportional to 98,344.48, 135,715.68 and 53,632.48
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Solution
The fourth proportional to 98,344.48, 135,715.68 and 53,632.48 is: 74,012.98
Step by Step Solution
- Step 1: Write the proportion equation
98,344.48 : 135,715.68 = 53,632.48 : x - Step 2: Convert to fraction form
98,344.48/135,715.68 = 53,632.48/x - Step 3: Cross multiply
98,344.48x = 135,715.68 × 53,632.48 - Step 4: Simplify right side
98,344.48x = 7,278,768,493.29 - Step 5: Solve for x
x = 7,278,768,493.29/98,344.48 - Step 6: Final answer
x = 74,012.98
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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.