Finding the Fourth Proportional to 76,041.62, 104,933.16 and 42,048.08
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Solution
The fourth proportional to 76,041.62, 104,933.16 and 42,048.08 is: 58,023.99
Step by Step Solution
- Step 1: Write the proportion equation
76,041.62 : 104,933.16 = 42,048.08 : x - Step 2: Convert to fraction form
76,041.62/104,933.16 = 42,048.08/x - Step 3: Cross multiply
76,041.62x = 104,933.16 × 42,048.08 - Step 4: Simplify right side
76,041.62x = 4,412,237,906.33 - Step 5: Solve for x
x = 4,412,237,906.33/76,041.62 - Step 6: Final answer
x = 58,023.99
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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.