Finding the Fourth Proportional to 76,943.42, 106,183.70 and 48,264.29
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Solution
The fourth proportional to 76,943.42, 106,183.70 and 48,264.29 is: 66,605.84
Step by Step Solution
- Step 1: Write the proportion equation
76,943.42 : 106,183.70 = 48,264.29 : x - Step 2: Convert to fraction form
76,943.42/106,183.70 = 48,264.29/x - Step 3: Cross multiply
76,943.42x = 106,183.70 × 48,264.29 - Step 4: Simplify right side
76,943.42x = 5,124,880,890.07 - Step 5: Solve for x
x = 5,124,880,890.07/76,943.42 - Step 6: Final answer
x = 66,605.84
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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.