Finding the Fourth Proportional to 75,402.44, 113,103.57 and 19,242.54
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Solution
The fourth proportional to 75,402.44, 113,103.57 and 19,242.54 is: 28,863.79
Step by Step Solution
- Step 1: Write the proportion equation
75,402.44 : 113,103.57 = 19,242.54 : x - Step 2: Convert to fraction form
75,402.44/113,103.57 = 19,242.54/x - Step 3: Cross multiply
75,402.44x = 113,103.57 × 19,242.54 - Step 4: Simplify right side
75,402.44x = 2,176,399,969.87 - Step 5: Solve for x
x = 2,176,399,969.87/75,402.44 - Step 6: Final answer
x = 28,863.79
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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.