Finding the Fourth Proportional to 75,958.24, 104,831.28 and 45,758.82
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Solution
The fourth proportional to 75,958.24, 104,831.28 and 45,758.82 is: 63,152.54
Step by Step Solution
- Step 1: Write the proportion equation
75,958.24 : 104,831.28 = 45,758.82 : x - Step 2: Convert to fraction form
75,958.24/104,831.28 = 45,758.82/x - Step 3: Cross multiply
75,958.24x = 104,831.28 × 45,758.82 - Step 4: Simplify right side
75,958.24x = 4,796,955,671.89 - Step 5: Solve for x
x = 4,796,955,671.89/75,958.24 - Step 6: Final answer
x = 63,152.54
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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.