Finding the Fourth Proportional to 71,690.91, 107,536.50 and 29,594.94
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Solution
The fourth proportional to 71,690.91, 107,536.50 and 29,594.94 is: 44,392.47
Step by Step Solution
- Step 1: Write the proportion equation
71,690.91 : 107,536.50 = 29,594.94 : x - Step 2: Convert to fraction form
71,690.91/107,536.50 = 29,594.94/x - Step 3: Cross multiply
71,690.91x = 107,536.50 × 29,594.94 - Step 4: Simplify right side
71,690.91x = 3,182,536,265.31 - Step 5: Solve for x
x = 3,182,536,265.31/71,690.91 - Step 6: Final answer
x = 44,392.47
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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.