Finding the Fourth Proportional to 92,649.21, 127,899.99 and 62,074.95
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Solution
The fourth proportional to 92,649.21, 127,899.99 and 62,074.95 is: 85,692.96
Step by Step Solution
- Step 1: Write the proportion equation
92,649.21 : 127,899.99 = 62,074.95 : x - Step 2: Convert to fraction form
92,649.21/127,899.99 = 62,074.95/x - Step 3: Cross multiply
92,649.21x = 127,899.99 × 62,074.95 - Step 4: Simplify right side
92,649.21x = 7,939,385,484.25 - Step 5: Solve for x
x = 7,939,385,484.25/92,649.21 - Step 6: Final answer
x = 85,692.96
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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.