Finding the Fourth Proportional to 98,362.11, 135,751.23 and 55,927.02
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Solution
The fourth proportional to 98,362.11, 135,751.23 and 55,927.02 is: 77,185.84
Step by Step Solution
- Step 1: Write the proportion equation
98,362.11 : 135,751.23 = 55,927.02 : x - Step 2: Convert to fraction form
98,362.11/135,751.23 = 55,927.02/x - Step 3: Cross multiply
98,362.11x = 135,751.23 × 55,927.02 - Step 4: Simplify right side
98,362.11x = 7,592,161,755.23 - Step 5: Solve for x
x = 7,592,161,755.23/98,362.11 - Step 6: Final answer
x = 77,185.84
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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.