Finding the Fourth Proportional to 98,263.45, 135,586.96 and 55,237.26
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Solution
The fourth proportional to 98,263.45, 135,586.96 and 55,237.26 is: 76,218.09
Step by Step Solution
- Step 1: Write the proportion equation
98,263.45 : 135,586.96 = 55,237.26 : x - Step 2: Convert to fraction form
98,263.45/135,586.96 = 55,237.26/x - Step 3: Cross multiply
98,263.45x = 135,586.96 × 55,237.26 - Step 4: Simplify right side
98,263.45x = 7,489,452,162.13 - Step 5: Solve for x
x = 7,489,452,162.13/98,263.45 - Step 6: Final answer
x = 76,218.09
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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.