Finding the Fourth Proportional to 75,963.02, 113,944.57 and 19,802.98
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Solution
The fourth proportional to 75,963.02, 113,944.57 and 19,802.98 is: 29,704.49
Step by Step Solution
- Step 1: Write the proportion equation
75,963.02 : 113,944.57 = 19,802.98 : x - Step 2: Convert to fraction form
75,963.02/113,944.57 = 19,802.98/x - Step 3: Cross multiply
75,963.02x = 113,944.57 × 19,802.98 - Step 4: Simplify right side
75,963.02x = 2,256,442,245.13 - Step 5: Solve for x
x = 2,256,442,245.13/75,963.02 - Step 6: Final answer
x = 29,704.49
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Similar ratio
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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.