Finding the Fourth Proportional to 112,475.58, 168,760.26 and 49,341.02
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Solution
The fourth proportional to 112,475.58, 168,760.26 and 49,341.02 is: 74,032.09
Step by Step Solution
- Step 1: Write the proportion equation
112,475.58 : 168,760.26 = 49,341.02 : x - Step 2: Convert to fraction form
112,475.58/168,760.26 = 49,341.02/x - Step 3: Cross multiply
112,475.58x = 168,760.26 × 49,341.02 - Step 4: Simplify right side
112,475.58x = 8,326,802,520.06 - Step 5: Solve for x
x = 8,326,802,520.06/112,475.58 - Step 6: Final answer
x = 74,032.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.