Finding the Fourth Proportional to 73,158.99, 100,961.28 and 44,468.79
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Solution
The fourth proportional to 73,158.99, 100,961.28 and 44,468.79 is: 61,368.07
Step by Step Solution
- Step 1: Write the proportion equation
73,158.99 : 100,961.28 = 44,468.79 : x - Step 2: Convert to fraction form
73,158.99/100,961.28 = 44,468.79/x - Step 3: Cross multiply
73,158.99x = 100,961.28 × 44,468.79 - Step 4: Simplify right side
73,158.99x = 4,489,625,958.45 - Step 5: Solve for x
x = 4,489,625,958.45/73,158.99 - Step 6: Final answer
x = 61,368.07
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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.