Finding the Fourth Proportional to 75,133.24, 103,677.42 and 41,590.84
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Solution
The fourth proportional to 75,133.24, 103,677.42 and 41,590.84 is: 57,391.79
Step by Step Solution
- Step 1: Write the proportion equation
75,133.24 : 103,677.42 = 41,590.84 : x - Step 2: Convert to fraction form
75,133.24/103,677.42 = 41,590.84/x - Step 3: Cross multiply
75,133.24x = 103,677.42 × 41,590.84 - Step 4: Simplify right side
75,133.24x = 4,312,030,986.83 - Step 5: Solve for x
x = 4,312,030,986.83/75,133.24 - Step 6: Final answer
x = 57,391.79
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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.