Finding the Fourth Proportional to 70,880.57, 106,321.08 and 48,626.49
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Solution
The fourth proportional to 70,880.57, 106,321.08 and 48,626.49 is: 72,939.89
Step by Step Solution
- Step 1: Write the proportion equation
70,880.57 : 106,321.08 = 48,626.49 : x - Step 2: Convert to fraction form
70,880.57/106,321.08 = 48,626.49/x - Step 3: Cross multiply
70,880.57x = 106,321.08 × 48,626.49 - Step 4: Simplify right side
70,880.57x = 5,170,020,933.41 - Step 5: Solve for x
x = 5,170,020,933.41/70,880.57 - Step 6: Final answer
x = 72,939.89
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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.