Finding the Fourth Proportional to 84,922.20, 117,199.17 and 50,931.99
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Solution
The fourth proportional to 84,922.20, 117,199.17 and 50,931.99 is: 70,290.06
Step by Step Solution
- Step 1: Write the proportion equation
84,922.20 : 117,199.17 = 50,931.99 : x - Step 2: Convert to fraction form
84,922.20/117,199.17 = 50,931.99/x - Step 3: Cross multiply
84,922.20x = 117,199.17 × 50,931.99 - Step 4: Simplify right side
84,922.20x = 5,969,186,954.45 - Step 5: Solve for x
x = 5,969,186,954.45/84,922.20 - Step 6: Final answer
x = 70,290.06
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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.