Finding the Fourth Proportional to 75,427.20, 113,058.18 and 37,927.44
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Solution
The fourth proportional to 75,427.20, 113,058.18 and 37,927.44 is: 56,849.62
Step by Step Solution
- Step 1: Write the proportion equation
75,427.20 : 113,058.18 = 37,927.44 : x - Step 2: Convert to fraction form
75,427.20/113,058.18 = 37,927.44/x - Step 3: Cross multiply
75,427.20x = 113,058.18 × 37,927.44 - Step 4: Simplify right side
75,427.20x = 4,288,007,338.46 - Step 5: Solve for x
x = 4,288,007,338.46/75,427.20 - Step 6: Final answer
x = 56,849.62
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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.