Finding the Fourth Proportional to 75,504.12, 113,253.56 and 19,344.70
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Solution
The fourth proportional to 75,504.12, 113,253.56 and 19,344.70 is: 29,016.37
Step by Step Solution
- Step 1: Write the proportion equation
75,504.12 : 113,253.56 = 19,344.70 : x - Step 2: Convert to fraction form
75,504.12/113,253.56 = 19,344.70/x - Step 3: Cross multiply
75,504.12x = 113,253.56 × 19,344.70 - Step 4: Simplify right side
75,504.12x = 2,190,855,622.47 - Step 5: Solve for x
x = 2,190,855,622.47/75,504.12 - Step 6: Final answer
x = 29,016.37
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1.5x scale
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.