Finding the Fourth Proportional to 68,434.57, 102,575.21 and 44,787.63
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Solution
The fourth proportional to 68,434.57, 102,575.21 and 44,787.63 is: 67,131.28
Step by Step Solution
- Step 1: Write the proportion equation
68,434.57 : 102,575.21 = 44,787.63 : x - Step 2: Convert to fraction form
68,434.57/102,575.21 = 44,787.63/x - Step 3: Cross multiply
68,434.57x = 102,575.21 × 44,787.63 - Step 4: Simplify right side
68,434.57x = 4,594,100,328.71 - Step 5: Solve for x
x = 4,594,100,328.71/68,434.57 - Step 6: Final answer
x = 67,131.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.