Finding the Fourth Proportional to 74,364.25, 102,584.62 and 47,478.49
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Solution
The fourth proportional to 74,364.25, 102,584.62 and 47,478.49 is: 65,496.03
Step by Step Solution
- Step 1: Write the proportion equation
74,364.25 : 102,584.62 = 47,478.49 : x - Step 2: Convert to fraction form
74,364.25/102,584.62 = 47,478.49/x - Step 3: Cross multiply
74,364.25x = 102,584.62 × 47,478.49 - Step 4: Simplify right side
74,364.25x = 4,870,562,854.82 - Step 5: Solve for x
x = 4,870,562,854.82/74,364.25 - Step 6: Final answer
x = 65,496.03
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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.