Finding the Fourth Proportional to 74,582.64, 102,924.14 and 40,591.04
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Solution
The fourth proportional to 74,582.64, 102,924.14 and 40,591.04 is: 56,015.68
Step by Step Solution
- Step 1: Write the proportion equation
74,582.64 : 102,924.14 = 40,591.04 : x - Step 2: Convert to fraction form
74,582.64/102,924.14 = 40,591.04/x - Step 3: Cross multiply
74,582.64x = 102,924.14 × 40,591.04 - Step 4: Simplify right side
74,582.64x = 4,177,797,166.13 - Step 5: Solve for x
x = 4,177,797,166.13/74,582.64 - Step 6: Final answer
x = 56,015.68
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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.