Finding the Fourth Proportional to 75,330.29, 103,955.49 and 41,339.34
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Solution
The fourth proportional to 75,330.29, 103,955.49 and 41,339.34 is: 57,048.12
Step by Step Solution
- Step 1: Write the proportion equation
75,330.29 : 103,955.49 = 41,339.34 : x - Step 2: Convert to fraction form
75,330.29/103,955.49 = 41,339.34/x - Step 3: Cross multiply
75,330.29x = 103,955.49 × 41,339.34 - Step 4: Simplify right side
75,330.29x = 4,297,451,345.98 - Step 5: Solve for x
x = 4,297,451,345.98/75,330.29 - Step 6: Final answer
x = 57,048.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.