Finding the Fourth Proportional to 99,357.24, 149,035.86 and 29,236.59
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Solution
The fourth proportional to 99,357.24, 149,035.86 and 29,236.59 is: 43,854.89
Step by Step Solution
- Step 1: Write the proportion equation
99,357.24 : 149,035.86 = 29,236.59 : x - Step 2: Convert to fraction form
99,357.24/149,035.86 = 29,236.59/x - Step 3: Cross multiply
99,357.24x = 149,035.86 × 29,236.59 - Step 4: Simplify right side
99,357.24x = 4,357,300,334.12 - Step 5: Solve for x
x = 4,357,300,334.12/99,357.24 - Step 6: Final answer
x = 43,854.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.