Finding the Fourth Proportional to 94,378.17, 130,241.90 and 51,936.70
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Solution
The fourth proportional to 94,378.17, 130,241.90 and 51,936.70 is: 71,672.66
Step by Step Solution
- Step 1: Write the proportion equation
94,378.17 : 130,241.90 = 51,936.70 : x - Step 2: Convert to fraction form
94,378.17/130,241.90 = 51,936.70/x - Step 3: Cross multiply
94,378.17x = 130,241.90 × 51,936.70 - Step 4: Simplify right side
94,378.17x = 6,764,334,683.49 - Step 5: Solve for x
x = 6,764,334,683.49/94,378.17 - Step 6: Final answer
x = 71,672.66
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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.