Finding the Fourth Proportional to 71,989.99, 107,994.09 and 24,614.17
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Solution
The fourth proportional to 71,989.99, 107,994.09 and 24,614.17 is: 36,924.37
Step by Step Solution
- Step 1: Write the proportion equation
71,989.99 : 107,994.09 = 24,614.17 : x - Step 2: Convert to fraction form
71,989.99/107,994.09 = 24,614.17/x - Step 3: Cross multiply
71,989.99x = 107,994.09 × 24,614.17 - Step 4: Simplify right side
71,989.99x = 2,658,184,890.26 - Step 5: Solve for x
x = 2,658,184,890.26/71,989.99 - Step 6: Final answer
x = 36,924.37
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Similar ratio
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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.