Finding the Fourth Proportional to 98,329.92, 135,695.04 and 53,617.92
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Solution
The fourth proportional to 98,329.92, 135,695.04 and 53,617.92 is: 73,992.59
Step by Step Solution
- Step 1: Write the proportion equation
98,329.92 : 135,695.04 = 53,617.92 : x - Step 2: Convert to fraction form
98,329.92/135,695.04 = 53,617.92/x - Step 3: Cross multiply
98,329.92x = 135,695.04 × 53,617.92 - Step 4: Simplify right side
98,329.92x = 7,275,685,799.12 - Step 5: Solve for x
x = 7,275,685,799.12/98,329.92 - Step 6: Final answer
x = 73,992.59
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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.