Finding the Fourth Proportional to 73,790.99, 101,831.06 and 41,959.88
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Solution
The fourth proportional to 73,790.99, 101,831.06 and 41,959.88 is: 57,904.34
Step by Step Solution
- Step 1: Write the proportion equation
73,790.99 : 101,831.06 = 41,959.88 : x - Step 2: Convert to fraction form
73,790.99/101,831.06 = 41,959.88/x - Step 3: Cross multiply
73,790.99x = 101,831.06 × 41,959.88 - Step 4: Simplify right side
73,790.99x = 4,272,818,338.92 - Step 5: Solve for x
x = 4,272,818,338.92/73,790.99 - Step 6: Final answer
x = 57,904.34
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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.