Finding the Fourth Proportional to 74,337.58, 102,585.97 and 40,346.07
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Solution
The fourth proportional to 74,337.58, 102,585.97 and 40,346.07 is: 55,677.63
Step by Step Solution
- Step 1: Write the proportion equation
74,337.58 : 102,585.97 = 40,346.07 : x - Step 2: Convert to fraction form
74,337.58/102,585.97 = 40,346.07/x - Step 3: Cross multiply
74,337.58x = 102,585.97 × 40,346.07 - Step 4: Simplify right side
74,337.58x = 4,138,940,617.12 - Step 5: Solve for x
x = 4,138,940,617.12/74,337.58 - Step 6: Final answer
x = 55,677.63
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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.