Finding the Fourth Proportional to 73,124.58, 100,911.70 and 41,292.84
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Solution
The fourth proportional to 73,124.58, 100,911.70 and 41,292.84 is: 56,983.99
Step by Step Solution
- Step 1: Write the proportion equation
73,124.58 : 100,911.70 = 41,292.84 : x - Step 2: Convert to fraction form
73,124.58/100,911.70 = 41,292.84/x - Step 3: Cross multiply
73,124.58x = 100,911.70 × 41,292.84 - Step 4: Simplify right side
73,124.58x = 4,166,930,682.23 - Step 5: Solve for x
x = 4,166,930,682.23/73,124.58 - Step 6: Final answer
x = 56,983.99
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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.