Finding the Fourth Proportional to 65,152.36, 89,831.46 and 55,063
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Solution
The fourth proportional to 65,152.36, 89,831.46 and 55,063 is: 75,920.35
Step by Step Solution
- Step 1: Write the proportion equation
65,152.36 : 89,831.46 = 55,063 : x - Step 2: Convert to fraction form
65,152.36/89,831.46 = 55,063/x - Step 3: Cross multiply
65,152.36x = 89,831.46 × 55,063 - Step 4: Simplify right side
65,152.36x = 4,946,389,681.98 - Step 5: Solve for x
x = 4,946,389,681.98/65,152.36 - Step 6: Final answer
x = 75,920.35
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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.