Finding the Fourth Proportional to 88,749.81, 122,472.41 and 48,461.49
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Solution
The fourth proportional to 88,749.81, 122,472.41 and 48,461.49 is: 66,875.58
Step by Step Solution
- Step 1: Write the proportion equation
88,749.81 : 122,472.41 = 48,461.49 : x - Step 2: Convert to fraction form
88,749.81/122,472.41 = 48,461.49/x - Step 3: Cross multiply
88,749.81x = 122,472.41 × 48,461.49 - Step 4: Simplify right side
88,749.81x = 5,935,195,230.18 - Step 5: Solve for x
x = 5,935,195,230.18/88,749.81 - Step 6: Final answer
x = 66,875.58
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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.