Finding the Fourth Proportional to 96,369.99, 132,863.16 and 79,079.02
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Solution
The fourth proportional to 96,369.99, 132,863.16 and 79,079.02 is: 109,024.49
Step by Step Solution
- Step 1: Write the proportion equation
96,369.99 : 132,863.16 = 79,079.02 : x - Step 2: Convert to fraction form
96,369.99/132,863.16 = 79,079.02/x - Step 3: Cross multiply
96,369.99x = 132,863.16 × 79,079.02 - Step 4: Simplify right side
96,369.99x = 10,506,688,684.60 - Step 5: Solve for x
x = 10,506,688,684.60/96,369.99 - Step 6: Final answer
x = 109,024.49
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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.