Finding the Fourth Proportional to 94,613.07, 141,878.40 and 27,130.19
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Solution
The fourth proportional to 94,613.07, 141,878.40 and 27,130.19 is: 40,683.47
Step by Step Solution
- Step 1: Write the proportion equation
94,613.07 : 141,878.40 = 27,130.19 : x - Step 2: Convert to fraction form
94,613.07/141,878.40 = 27,130.19/x - Step 3: Cross multiply
94,613.07x = 141,878.40 × 27,130.19 - Step 4: Simplify right side
94,613.07x = 3,849,188,201.85 - Step 5: Solve for x
x = 3,849,188,201.85/94,613.07 - Step 6: Final answer
x = 40,683.47
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1.5x scale
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.