Finding the Fourth Proportional to 104,940.86, 157,457.77 and 55,009.08
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Solution
The fourth proportional to 104,940.86, 157,457.77 and 55,009.08 is: 82,537.99
Step by Step Solution
- Step 1: Write the proportion equation
104,940.86 : 157,457.77 = 55,009.08 : x - Step 2: Convert to fraction form
104,940.86/157,457.77 = 55,009.08/x - Step 3: Cross multiply
104,940.86x = 157,457.77 × 55,009.08 - Step 4: Simplify right side
104,940.86x = 8,661,606,929.03 - Step 5: Solve for x
x = 8,661,606,929.03/104,940.86 - Step 6: Final answer
x = 82,537.99
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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.