Finding the Fourth Proportional to 97,984.50, 135,243.10 and 60,236.88
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Solution
The fourth proportional to 97,984.50, 135,243.10 and 60,236.88 is: 83,141.95
Step by Step Solution
- Step 1: Write the proportion equation
97,984.50 : 135,243.10 = 60,236.88 : x - Step 2: Convert to fraction form
97,984.50/135,243.10 = 60,236.88/x - Step 3: Cross multiply
97,984.50x = 135,243.10 × 60,236.88 - Step 4: Simplify right side
97,984.50x = 8,146,622,385.53 - Step 5: Solve for x
x = 8,146,622,385.53/97,984.50 - Step 6: Final answer
x = 83,141.95
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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.