Finding the Fourth Proportional to 74,059.99, 110,831.64 and 60,577.12
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Solution
The fourth proportional to 74,059.99, 110,831.64 and 60,577.12 is: 90,654.37
Step by Step Solution
- Step 1: Write the proportion equation
74,059.99 : 110,831.64 = 60,577.12 : x - Step 2: Convert to fraction form
74,059.99/110,831.64 = 60,577.12/x - Step 3: Cross multiply
74,059.99x = 110,831.64 × 60,577.12 - Step 4: Simplify right side
74,059.99x = 6,713,861,556.08 - Step 5: Solve for x
x = 6,713,861,556.08/74,059.99 - Step 6: Final answer
x = 90,654.37
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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.