Finding the Fourth Proportional to 83,677.55, 125,520.35 and 27,516.42
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Solution
The fourth proportional to 83,677.55, 125,520.35 and 27,516.42 is: 41,275.95
Step by Step Solution
- Step 1: Write the proportion equation
83,677.55 : 125,520.35 = 27,516.42 : x - Step 2: Convert to fraction form
83,677.55/125,520.35 = 27,516.42/x - Step 3: Cross multiply
83,677.55x = 125,520.35 × 27,516.42 - Step 4: Simplify right side
83,677.55x = 3,453,870,669.15 - Step 5: Solve for x
x = 3,453,870,669.15/83,677.55 - Step 6: Final answer
x = 41,275.95
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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.