Finding the Fourth Proportional to 127,170.44, 175,503.41 and 70,581.81
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Solution
The fourth proportional to 127,170.44, 175,503.41 and 70,581.81 is: 97,407.45
Step by Step Solution
- Step 1: Write the proportion equation
127,170.44 : 175,503.41 = 70,581.81 : x - Step 2: Convert to fraction form
127,170.44/175,503.41 = 70,581.81/x - Step 3: Cross multiply
127,170.44x = 175,503.41 × 70,581.81 - Step 4: Simplify right side
127,170.44x = 12,387,348,338.97 - Step 5: Solve for x
x = 12,387,348,338.97/127,170.44 - Step 6: Final answer
x = 97,407.45
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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.