Finding the Fourth Proportional to 75,332.46, 113,016.99 and 22,738.80
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Solution
The fourth proportional to 75,332.46, 113,016.99 and 22,738.80 is: 34,113.72
Step by Step Solution
- Step 1: Write the proportion equation
75,332.46 : 113,016.99 = 22,738.80 : x - Step 2: Convert to fraction form
75,332.46/113,016.99 = 22,738.80/x - Step 3: Cross multiply
75,332.46x = 113,016.99 × 22,738.80 - Step 4: Simplify right side
75,332.46x = 2,569,870,732.21 - Step 5: Solve for x
x = 2,569,870,732.21/75,332.46 - Step 6: Final answer
x = 34,113.72
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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.