Finding the Fourth Proportional to 91,265.37, 125,933.76 and 50,973.99
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Solution
The fourth proportional to 91,265.37, 125,933.76 and 50,973.99 is: 70,337.15
Step by Step Solution
- Step 1: Write the proportion equation
91,265.37 : 125,933.76 = 50,973.99 : x - Step 2: Convert to fraction form
91,265.37/125,933.76 = 50,973.99/x - Step 3: Cross multiply
91,265.37x = 125,933.76 × 50,973.99 - Step 4: Simplify right side
91,265.37x = 6,419,346,222.90 - Step 5: Solve for x
x = 6,419,346,222.90/91,265.37 - Step 6: Final answer
x = 70,337.15
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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.