Finding the Fourth Proportional to 104,039.78, 156,060.99 and 36,569.09
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Solution
The fourth proportional to 104,039.78, 156,060.99 and 36,569.09 is: 54,854.09
Step by Step Solution
- Step 1: Write the proportion equation
104,039.78 : 156,060.99 = 36,569.09 : x - Step 2: Convert to fraction form
104,039.78/156,060.99 = 36,569.09/x - Step 3: Cross multiply
104,039.78x = 156,060.99 × 36,569.09 - Step 4: Simplify right side
104,039.78x = 5,707,007,425.65 - Step 5: Solve for x
x = 5,707,007,425.65/104,039.78 - Step 6: Final answer
x = 54,854.09
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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.