Finding the Fourth Proportional to 98,361.11, 135,749.85 and 55,926.02
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Solution
The fourth proportional to 98,361.11, 135,749.85 and 55,926.02 is: 77,184.46
Step by Step Solution
- Step 1: Write the proportion equation
98,361.11 : 135,749.85 = 55,926.02 : x - Step 2: Convert to fraction form
98,361.11/135,749.85 = 55,926.02/x - Step 3: Cross multiply
98,361.11x = 135,749.85 × 55,926.02 - Step 4: Simplify right side
98,361.11x = 7,591,948,826.10 - Step 5: Solve for x
x = 7,591,948,826.10/98,361.11 - Step 6: Final answer
x = 77,184.46
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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.