Finding the Fourth Proportional to 85,817.79, 118,422.09 and 48,084.75
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Solution
The fourth proportional to 85,817.79, 118,422.09 and 48,084.75 is: 66,353.34
Step by Step Solution
- Step 1: Write the proportion equation
85,817.79 : 118,422.09 = 48,084.75 : x - Step 2: Convert to fraction form
85,817.79/118,422.09 = 48,084.75/x - Step 3: Cross multiply
85,817.79x = 118,422.09 × 48,084.75 - Step 4: Simplify right side
85,817.79x = 5,694,296,592.13 - Step 5: Solve for x
x = 5,694,296,592.13/85,817.79 - Step 6: Final answer
x = 66,353.34
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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.