Finding the Fourth Proportional to 92,221.93, 127,198.11 and 63,551.17
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Solution
The fourth proportional to 92,221.93, 127,198.11 and 63,551.17 is: 87,653.65
Step by Step Solution
- Step 1: Write the proportion equation
92,221.93 : 127,198.11 = 63,551.17 : x - Step 2: Convert to fraction form
92,221.93/127,198.11 = 63,551.17/x - Step 3: Cross multiply
92,221.93x = 127,198.11 × 63,551.17 - Step 4: Simplify right side
92,221.93x = 8,083,588,712.29 - Step 5: Solve for x
x = 8,083,588,712.29/92,221.93 - Step 6: Final answer
x = 87,653.65
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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.