Finding the Fourth Proportional to 98,305.08, 135,662.94 and 53,593.08
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Solution
The fourth proportional to 98,305.08, 135,662.94 and 53,593.08 is: 73,959.50
Step by Step Solution
- Step 1: Write the proportion equation
98,305.08 : 135,662.94 = 53,593.08 : x - Step 2: Convert to fraction form
98,305.08/135,662.94 = 53,593.08/x - Step 3: Cross multiply
98,305.08x = 135,662.94 × 53,593.08 - Step 4: Simplify right side
98,305.08x = 7,270,594,796.46 - Step 5: Solve for x
x = 7,270,594,796.46/98,305.08 - Step 6: Final answer
x = 73,959.50
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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.