Finding the Fourth Proportional to 88,381.04, 121,968.42 and 48,097.41
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Solution
The fourth proportional to 88,381.04, 121,968.42 and 48,097.41 is: 66,375.83
Step by Step Solution
- Step 1: Write the proportion equation
88,381.04 : 121,968.42 = 48,097.41 : x - Step 2: Convert to fraction form
88,381.04/121,968.42 = 48,097.41/x - Step 3: Cross multiply
88,381.04x = 121,968.42 × 48,097.41 - Step 4: Simplify right side
88,381.04x = 5,866,364,466.05 - Step 5: Solve for x
x = 5,866,364,466.05/88,381.04 - Step 6: Final answer
x = 66,375.83
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1.5x scale
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.