Finding the Fourth Proportional to 85,392.68, 117,835.26 and 49,585.37
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Solution
The fourth proportional to 85,392.68, 117,835.26 and 49,585.37 is: 68,423.95
Step by Step Solution
- Step 1: Write the proportion equation
85,392.68 : 117,835.26 = 49,585.37 : x - Step 2: Convert to fraction form
85,392.68/117,835.26 = 49,585.37/x - Step 3: Cross multiply
85,392.68x = 117,835.26 × 49,585.37 - Step 4: Simplify right side
85,392.68x = 5,842,904,191.02 - Step 5: Solve for x
x = 5,842,904,191.02/85,392.68 - Step 6: Final answer
x = 68,423.95
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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.