Finding the Fourth Proportional to 104,418.29, 144,093.58 and 56,670.68
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Solution
The fourth proportional to 104,418.29, 144,093.58 and 56,670.68 is: 78,203.55
Step by Step Solution
- Step 1: Write the proportion equation
104,418.29 : 144,093.58 = 56,670.68 : x - Step 2: Convert to fraction form
104,418.29/144,093.58 = 56,670.68/x - Step 3: Cross multiply
104,418.29x = 144,093.58 × 56,670.68 - Step 4: Simplify right side
104,418.29x = 8,165,880,300.09 - Step 5: Solve for x
x = 8,165,880,300.09/104,418.29 - Step 6: Final answer
x = 78,203.55
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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.