Finding the Fourth Proportional to 80,407.94, 110,946.97 and 48,576.92
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Solution
The fourth proportional to 80,407.94, 110,946.97 and 48,576.92 is: 67,026.48
Step by Step Solution
- Step 1: Write the proportion equation
80,407.94 : 110,946.97 = 48,576.92 : x - Step 2: Convert to fraction form
80,407.94/110,946.97 = 48,576.92/x - Step 3: Cross multiply
80,407.94x = 110,946.97 × 48,576.92 - Step 4: Simplify right side
80,407.94x = 5,389,461,318.67 - Step 5: Solve for x
x = 5,389,461,318.67/80,407.94 - Step 6: Final answer
x = 67,026.48
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1.5x scale
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.