Finding the Fourth Proportional to 73,291.11, 101,124.09 and 43,074.06
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Solution
The fourth proportional to 73,291.11, 101,124.09 and 43,074.06 is: 59,431.83
Step by Step Solution
- Step 1: Write the proportion equation
73,291.11 : 101,124.09 = 43,074.06 : x - Step 2: Convert to fraction form
73,291.11/101,124.09 = 43,074.06/x - Step 3: Cross multiply
73,291.11x = 101,124.09 × 43,074.06 - Step 4: Simplify right side
73,291.11x = 4,355,825,120.11 - Step 5: Solve for x
x = 4,355,825,120.11/73,291.11 - Step 6: Final answer
x = 59,431.83
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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.