Finding the Fourth Proportional to 98,185.48, 135,472.44 and 57,896.08
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Solution
The fourth proportional to 98,185.48, 135,472.44 and 57,896.08 is: 79,882.72
Step by Step Solution
- Step 1: Write the proportion equation
98,185.48 : 135,472.44 = 57,896.08 : x - Step 2: Convert to fraction form
98,185.48/135,472.44 = 57,896.08/x - Step 3: Cross multiply
98,185.48x = 135,472.44 × 57,896.08 - Step 4: Simplify right side
98,185.48x = 7,843,323,224.04 - Step 5: Solve for x
x = 7,843,323,224.04/98,185.48 - Step 6: Final answer
x = 79,882.72
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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.