Finding the Fourth Proportional to 98,926.62, 136,412.33 and 96,850.79
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Solution
The fourth proportional to 98,926.62, 136,412.33 and 96,850.79 is: 133,549.92
Step by Step Solution
- Step 1: Write the proportion equation
98,926.62 : 136,412.33 = 96,850.79 : x - Step 2: Convert to fraction form
98,926.62/136,412.33 = 96,850.79/x - Step 3: Cross multiply
98,926.62x = 136,412.33 × 96,850.79 - Step 4: Simplify right side
98,926.62x = 13,211,641,926.24 - Step 5: Solve for x
x = 13,211,641,926.24/98,926.62 - Step 6: Final answer
x = 133,549.92
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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.