Finding the Fourth Proportional to 95,690.97, 143,531.60 and 29,129.63
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Solution
The fourth proportional to 95,690.97, 143,531.60 and 29,129.63 is: 43,692.96
Step by Step Solution
- Step 1: Write the proportion equation
95,690.97 : 143,531.60 = 29,129.63 : x - Step 2: Convert to fraction form
95,690.97/143,531.60 = 29,129.63/x - Step 3: Cross multiply
95,690.97x = 143,531.60 × 29,129.63 - Step 4: Simplify right side
95,690.97x = 4,181,021,538.00 - Step 5: Solve for x
x = 4,181,021,538.00/95,690.97 - Step 6: Final answer
x = 43,692.96
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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.