Finding the Fourth Proportional to 98,257.92, 135,601.47 and 55,825.26
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Solution
The fourth proportional to 98,257.92, 135,601.47 and 55,825.26 is: 77,042.01
Step by Step Solution
- Step 1: Write the proportion equation
98,257.92 : 135,601.47 = 55,825.26 : x - Step 2: Convert to fraction form
98,257.92/135,601.47 = 55,825.26/x - Step 3: Cross multiply
98,257.92x = 135,601.47 × 55,825.26 - Step 4: Simplify right side
98,257.92x = 7,569,987,319.13 - Step 5: Solve for x
x = 7,569,987,319.13/98,257.92 - Step 6: Final answer
x = 77,042.01
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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.