Finding the Fourth Proportional to 98,995.08, 136,613.34 and 54,283.08
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Solution
The fourth proportional to 98,995.08, 136,613.34 and 54,283.08 is: 74,910.72
Step by Step Solution
- Step 1: Write the proportion equation
98,995.08 : 136,613.34 = 54,283.08 : x - Step 2: Convert to fraction form
98,995.08/136,613.34 = 54,283.08/x - Step 3: Cross multiply
98,995.08x = 136,613.34 × 54,283.08 - Step 4: Simplify right side
98,995.08x = 7,415,792,864.29 - Step 5: Solve for x
x = 7,415,792,864.29/98,995.08 - Step 6: Final answer
x = 74,910.72
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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.