Finding the Fourth Proportional to 69,179.08, 103,637.38 and 41,039.68
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Solution
The fourth proportional to 69,179.08, 103,637.38 and 41,039.68 is: 61,481.66
Step by Step Solution
- Step 1: Write the proportion equation
69,179.08 : 103,637.38 = 41,039.68 : x - Step 2: Convert to fraction form
69,179.08/103,637.38 = 41,039.68/x - Step 3: Cross multiply
69,179.08x = 103,637.38 × 41,039.68 - Step 4: Simplify right side
69,179.08x = 4,253,244,911.24 - Step 5: Solve for x
x = 4,253,244,911.24/69,179.08 - Step 6: Final answer
x = 61,481.66
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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.