Finding the Fourth Proportional to 74,339.37, 102,673.49 and 48,959.19
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Solution
The fourth proportional to 74,339.37, 102,673.49 and 48,959.19 is: 67,619.76
Step by Step Solution
- Step 1: Write the proportion equation
74,339.37 : 102,673.49 = 48,959.19 : x - Step 2: Convert to fraction form
74,339.37/102,673.49 = 48,959.19/x - Step 3: Cross multiply
74,339.37x = 102,673.49 × 48,959.19 - Step 4: Simplify right side
74,339.37x = 5,026,810,660.08 - Step 5: Solve for x
x = 5,026,810,660.08/74,339.37 - Step 6: Final answer
x = 67,619.76
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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.