Finding the Fourth Proportional to 75,934.46, 113,809.35 and 53,754.23
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Solution
The fourth proportional to 75,934.46, 113,809.35 and 53,754.23 is: 80,565.98
Step by Step Solution
- Step 1: Write the proportion equation
75,934.46 : 113,809.35 = 53,754.23 : x - Step 2: Convert to fraction form
75,934.46/113,809.35 = 53,754.23/x - Step 3: Cross multiply
75,934.46x = 113,809.35 × 53,754.23 - Step 4: Simplify right side
75,934.46x = 6,117,734,462.15 - Step 5: Solve for x
x = 6,117,734,462.15/75,934.46 - Step 6: Final answer
x = 80,565.98
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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.