Finding the Fourth Proportional to 79,985.37, 110,379.81 and 44,175.38
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Solution
The fourth proportional to 79,985.37, 110,379.81 and 44,175.38 is: 60,962.02
Step by Step Solution
- Step 1: Write the proportion equation
79,985.37 : 110,379.81 = 44,175.38 : x - Step 2: Convert to fraction form
79,985.37/110,379.81 = 44,175.38/x - Step 3: Cross multiply
79,985.37x = 110,379.81 × 44,175.38 - Step 4: Simplify right side
79,985.37x = 4,876,069,664.84 - Step 5: Solve for x
x = 4,876,069,664.84/79,985.37 - Step 6: Final answer
x = 60,962.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.