Finding the Fourth Proportional to 86,316.49, 119,114.92 and 48,075.92
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Solution
The fourth proportional to 86,316.49, 119,114.92 and 48,075.92 is: 66,343.75
Step by Step Solution
- Step 1: Write the proportion equation
86,316.49 : 119,114.92 = 48,075.92 : x - Step 2: Convert to fraction form
86,316.49/119,114.92 = 48,075.92/x - Step 3: Cross multiply
86,316.49x = 119,114.92 × 48,075.92 - Step 4: Simplify right side
86,316.49x = 5,726,559,473.48 - Step 5: Solve for x
x = 5,726,559,473.48/86,316.49 - Step 6: Final answer
x = 66,343.75
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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.