Finding the Fourth Proportional to 71,250.09, 106,840.62 and 29,113.44
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Solution
The fourth proportional to 71,250.09, 106,840.62 and 29,113.44 is: 43,656.06
Step by Step Solution
- Step 1: Write the proportion equation
71,250.09 : 106,840.62 = 29,113.44 : x - Step 2: Convert to fraction form
71,250.09/106,840.62 = 29,113.44/x - Step 3: Cross multiply
71,250.09x = 106,840.62 × 29,113.44 - Step 4: Simplify right side
71,250.09x = 3,110,497,979.93 - Step 5: Solve for x
x = 3,110,497,979.93/71,250.09 - Step 6: Final answer
x = 43,656.06
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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.