Finding the Fourth Proportional to 79,945.78, 110,322.28 and 44,135.02
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Solution
The fourth proportional to 79,945.78, 110,322.28 and 44,135.02 is: 60,904.73
Step by Step Solution
- Step 1: Write the proportion equation
79,945.78 : 110,322.28 = 44,135.02 : x - Step 2: Convert to fraction form
79,945.78/110,322.28 = 44,135.02/x - Step 3: Cross multiply
79,945.78x = 110,322.28 × 44,135.02 - Step 4: Simplify right side
79,945.78x = 4,869,076,034.25 - Step 5: Solve for x
x = 4,869,076,034.25/79,945.78 - Step 6: Final answer
x = 60,904.73
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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.