Finding the Fourth Proportional to 88,368.77, 121,949.43 and 48,082.84
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Solution
The fourth proportional to 88,368.77, 121,949.43 and 48,082.84 is: 66,354.61
Step by Step Solution
- Step 1: Write the proportion equation
88,368.77 : 121,949.43 = 48,082.84 : x - Step 2: Convert to fraction form
88,368.77/121,949.43 = 48,082.84/x - Step 3: Cross multiply
88,368.77x = 121,949.43 × 48,082.84 - Step 4: Simplify right side
88,368.77x = 5,863,674,930.78 - Step 5: Solve for x
x = 5,863,674,930.78/88,368.77 - Step 6: Final answer
x = 66,354.61
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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.