Finding the Fourth Proportional to 78,684, 108,583.92 and 43,356
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Solution
The fourth proportional to 78,684, 108,583.92 and 43,356 is: 59,831.28
Step by Step Solution
- Step 1: Write the proportion equation
78,684 : 108,583.92 = 43,356 : x - Step 2: Convert to fraction form
78,684/108,583.92 = 43,356/x - Step 3: Cross multiply
78,684x = 108,583.92 × 43,356 - Step 4: Simplify right side
78,684x = 4,707,764,435.52 - Step 5: Solve for x
x = 4,707,764,435.52/78,684 - Step 6: Final answer
x = 59,831.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.