Finding the Fourth Proportional to 75,224.87, 103,821.76 and 48,012.71
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Solution
The fourth proportional to 75,224.87, 103,821.76 and 48,012.71 is: 66,264.84
Step by Step Solution
- Step 1: Write the proportion equation
75,224.87 : 103,821.76 = 48,012.71 : x - Step 2: Convert to fraction form
75,224.87/103,821.76 = 48,012.71/x - Step 3: Cross multiply
75,224.87x = 103,821.76 × 48,012.71 - Step 4: Simplify right side
75,224.87x = 4,984,764,054.57 - Step 5: Solve for x
x = 4,984,764,054.57/75,224.87 - Step 6: Final answer
x = 66,264.84
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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.