Finding the Fourth Proportional to 68,261.40, 102,392.10 and 44,641.80
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Solution
The fourth proportional to 68,261.40, 102,392.10 and 44,641.80 is: 66,962.70
Step by Step Solution
- Step 1: Write the proportion equation
68,261.40 : 102,392.10 = 44,641.80 : x - Step 2: Convert to fraction form
68,261.40/102,392.10 = 44,641.80/x - Step 3: Cross multiply
68,261.40x = 102,392.10 × 44,641.80 - Step 4: Simplify right side
68,261.40x = 4,570,967,649.78 - Step 5: Solve for x
x = 4,570,967,649.78/68,261.40 - Step 6: Final answer
x = 66,962.70
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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.