Finding the Fourth Proportional to 96,701.80, 145,052.70 and 88,391.20
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Solution
The fourth proportional to 96,701.80, 145,052.70 and 88,391.20 is: 132,586.80
Step by Step Solution
- Step 1: Write the proportion equation
96,701.80 : 145,052.70 = 88,391.20 : x - Step 2: Convert to fraction form
96,701.80/145,052.70 = 88,391.20/x - Step 3: Cross multiply
96,701.80x = 145,052.70 × 88,391.20 - Step 4: Simplify right side
96,701.80x = 12,821,382,216.24 - Step 5: Solve for x
x = 12,821,382,216.24/96,701.80 - Step 6: Final answer
x = 132,586.80
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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.