Finding the Fourth Proportional to 92,981.76, 139,440 and 30,635.52
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Solution
The fourth proportional to 92,981.76, 139,440 and 30,635.52 is: 45,942.53
Step by Step Solution
- Step 1: Write the proportion equation
92,981.76 : 139,440 = 30,635.52 : x - Step 2: Convert to fraction form
92,981.76/139,440 = 30,635.52/x - Step 3: Cross multiply
92,981.76x = 139,440 × 30,635.52 - Step 4: Simplify right side
92,981.76x = 4,271,816,908.80 - Step 5: Solve for x
x = 4,271,816,908.80/92,981.76 - Step 6: Final answer
x = 45,942.53
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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.