Finding the Fourth Proportional to 89,034.11, 122,867.18 and 48,750.31
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Solution
The fourth proportional to 89,034.11, 122,867.18 and 48,750.31 is: 67,275.49
Step by Step Solution
- Step 1: Write the proportion equation
89,034.11 : 122,867.18 = 48,750.31 : x - Step 2: Convert to fraction form
89,034.11/122,867.18 = 48,750.31/x - Step 3: Cross multiply
89,034.11x = 122,867.18 × 48,750.31 - Step 4: Simplify right side
89,034.11x = 5,989,813,113.83 - Step 5: Solve for x
x = 5,989,813,113.83/89,034.11 - Step 6: Final answer
x = 67,275.49
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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.