Finding the Fourth Proportional to 74,557.92, 102,856.02 and 44,326.08
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Solution
The fourth proportional to 74,557.92, 102,856.02 and 44,326.08 is: 61,149.84
Step by Step Solution
- Step 1: Write the proportion equation
74,557.92 : 102,856.02 = 44,326.08 : x - Step 2: Convert to fraction form
74,557.92/102,856.02 = 44,326.08/x - Step 3: Cross multiply
74,557.92x = 102,856.02 × 44,326.08 - Step 4: Simplify right side
74,557.92x = 4,559,204,639.82 - Step 5: Solve for x
x = 4,559,204,639.82/74,557.92 - Step 6: Final answer
x = 61,149.84
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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.