Finding the Fourth Proportional to 92,177.70, 127,217.35 and 51,899.31
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Solution
The fourth proportional to 92,177.70, 127,217.35 and 51,899.31 is: 71,627.88
Step by Step Solution
- Step 1: Write the proportion equation
92,177.70 : 127,217.35 = 51,899.31 : x - Step 2: Convert to fraction form
92,177.70/127,217.35 = 51,899.31/x - Step 3: Cross multiply
92,177.70x = 127,217.35 × 51,899.31 - Step 4: Simplify right side
92,177.70x = 6,602,492,555.28 - Step 5: Solve for x
x = 6,602,492,555.28/92,177.70 - Step 6: Final answer
x = 71,627.88
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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.