Finding the Fourth Proportional to 98,562.98, 136,016.97 and 53,240.96
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Solution
The fourth proportional to 98,562.98, 136,016.97 and 53,240.96 is: 73,472.56
Step by Step Solution
- Step 1: Write the proportion equation
98,562.98 : 136,016.97 = 53,240.96 : x - Step 2: Convert to fraction form
98,562.98/136,016.97 = 53,240.96/x - Step 3: Cross multiply
98,562.98x = 136,016.97 × 53,240.96 - Step 4: Simplify right side
98,562.98x = 7,241,674,199.48 - Step 5: Solve for x
x = 7,241,674,199.48/98,562.98 - Step 6: Final answer
x = 73,472.56
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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.