Finding the Fourth Proportional to 117,075.06, 161,566.05 and 69,310.98
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Solution
The fourth proportional to 117,075.06, 161,566.05 and 69,310.98 is: 95,650.61
Step by Step Solution
- Step 1: Write the proportion equation
117,075.06 : 161,566.05 = 69,310.98 : x - Step 2: Convert to fraction form
117,075.06/161,566.05 = 69,310.98/x - Step 3: Cross multiply
117,075.06x = 161,566.05 × 69,310.98 - Step 4: Simplify right side
117,075.06x = 11,198,301,260.23 - Step 5: Solve for x
x = 11,198,301,260.23/117,075.06 - Step 6: Final answer
x = 95,650.61
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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.