Finding the Fourth Proportional to 96,831.97, 145,280.77 and 49,467.02
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Solution
The fourth proportional to 96,831.97, 145,280.77 and 49,467.02 is: 74,217.29
Step by Step Solution
- Step 1: Write the proportion equation
96,831.97 : 145,280.77 = 49,467.02 : x - Step 2: Convert to fraction form
96,831.97/145,280.77 = 49,467.02/x - Step 3: Cross multiply
96,831.97x = 145,280.77 × 49,467.02 - Step 4: Simplify right side
96,831.97x = 7,186,605,905.13 - Step 5: Solve for x
x = 7,186,605,905.13/96,831.97 - Step 6: Final answer
x = 74,217.29
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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.