Finding the Fourth Proportional to 79,064.08, 118,611.99 and 29,144.43
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Solution
The fourth proportional to 79,064.08, 118,611.99 and 29,144.43 is: 43,722.50
Step by Step Solution
- Step 1: Write the proportion equation
79,064.08 : 118,611.99 = 29,144.43 : x - Step 2: Convert to fraction form
79,064.08/118,611.99 = 29,144.43/x - Step 3: Cross multiply
79,064.08x = 118,611.99 × 29,144.43 - Step 4: Simplify right side
79,064.08x = 3,456,878,839.72 - Step 5: Solve for x
x = 3,456,878,839.72/79,064.08 - Step 6: Final answer
x = 43,722.50
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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.