Finding the Fourth Proportional to 74,273.08, 102,377.49 and 58,112.52
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Solution
The fourth proportional to 74,273.08, 102,377.49 and 58,112.52 is: 80,101.88
Step by Step Solution
- Step 1: Write the proportion equation
74,273.08 : 102,377.49 = 58,112.52 : x - Step 2: Convert to fraction form
74,273.08/102,377.49 = 58,112.52/x - Step 3: Cross multiply
74,273.08x = 102,377.49 × 58,112.52 - Step 4: Simplify right side
74,273.08x = 5,949,413,631.97 - Step 5: Solve for x
x = 5,949,413,631.97/74,273.08 - Step 6: Final answer
x = 80,101.88
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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.