Finding the Fourth Proportional to 71,690.41, 107,535.75 and 29,594.44
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Solution
The fourth proportional to 71,690.41, 107,535.75 and 29,594.44 is: 44,391.72
Step by Step Solution
- Step 1: Write the proportion equation
71,690.41 : 107,535.75 = 29,594.44 : x - Step 2: Convert to fraction form
71,690.41/107,535.75 = 29,594.44/x - Step 3: Cross multiply
71,690.41x = 107,535.75 × 29,594.44 - Step 4: Simplify right side
71,690.41x = 3,182,460,301.23 - Step 5: Solve for x
x = 3,182,460,301.23/71,690.41 - Step 6: Final answer
x = 44,391.72
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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.