Finding the Fourth Proportional to 84,458.50, 116,533.15 and 50,477.99
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Solution
The fourth proportional to 84,458.50, 116,533.15 and 50,477.99 is: 69,647.92
Step by Step Solution
- Step 1: Write the proportion equation
84,458.50 : 116,533.15 = 50,477.99 : x - Step 2: Convert to fraction form
84,458.50/116,533.15 = 50,477.99/x - Step 3: Cross multiply
84,458.50x = 116,533.15 × 50,477.99 - Step 4: Simplify right side
84,458.50x = 5,882,358,471.51 - Step 5: Solve for x
x = 5,882,358,471.51/84,458.50 - Step 6: Final answer
x = 69,647.92
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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.