Finding the Fourth Proportional to 86,082.30, 118,804.67 and 48,363.84
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Solution
The fourth proportional to 86,082.30, 118,804.67 and 48,363.84 is: 66,748.33
Step by Step Solution
- Step 1: Write the proportion equation
86,082.30 : 118,804.67 = 48,363.84 : x - Step 2: Convert to fraction form
86,082.30/118,804.67 = 48,363.84/x - Step 3: Cross multiply
86,082.30x = 118,804.67 × 48,363.84 - Step 4: Simplify right side
86,082.30x = 5,745,849,809.31 - Step 5: Solve for x
x = 5,745,849,809.31/86,082.30 - Step 6: Final answer
x = 66,748.33
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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.