Finding the Fourth Proportional to 85,361.06, 127,830.99 and 63,670.70
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Solution
The fourth proportional to 85,361.06, 127,830.99 and 63,670.70 is: 95,348.96
Step by Step Solution
- Step 1: Write the proportion equation
85,361.06 : 127,830.99 = 63,670.70 : x - Step 2: Convert to fraction form
85,361.06/127,830.99 = 63,670.70/x - Step 3: Cross multiply
85,361.06x = 127,830.99 × 63,670.70 - Step 4: Simplify right side
85,361.06x = 8,139,088,614.99 - Step 5: Solve for x
x = 8,139,088,614.99/85,361.06 - Step 6: Final answer
x = 95,348.96
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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.