Finding the Fourth Proportional to 74,367.60, 102,626.71 and 40,375.41
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Solution
The fourth proportional to 74,367.60, 102,626.71 and 40,375.41 is: 55,717.75
Step by Step Solution
- Step 1: Write the proportion equation
74,367.60 : 102,626.71 = 40,375.41 : x - Step 2: Convert to fraction form
74,367.60/102,626.71 = 40,375.41/x - Step 3: Cross multiply
74,367.60x = 102,626.71 × 40,375.41 - Step 4: Simplify right side
74,367.60x = 4,143,594,980.07 - Step 5: Solve for x
x = 4,143,594,980.07/74,367.60 - Step 6: Final answer
x = 55,717.75
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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.