Finding the Fourth Proportional to 86,551.44, 119,446.56 and 48,824.88
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Solution
The fourth proportional to 86,551.44, 119,446.56 and 48,824.88 is: 67,381.48
Step by Step Solution
- Step 1: Write the proportion equation
86,551.44 : 119,446.56 = 48,824.88 : x - Step 2: Convert to fraction form
86,551.44/119,446.56 = 48,824.88/x - Step 3: Cross multiply
86,551.44x = 119,446.56 × 48,824.88 - Step 4: Simplify right side
86,551.44x = 5,831,963,958.41 - Step 5: Solve for x
x = 5,831,963,958.41/86,551.44 - Step 6: Final answer
x = 67,381.48
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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.