Finding the Fourth Proportional to 104,805.36, 157,207.68 and 42,475.68
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Solution
The fourth proportional to 104,805.36, 157,207.68 and 42,475.68 is: 63,713.37
Step by Step Solution
- Step 1: Write the proportion equation
104,805.36 : 157,207.68 = 42,475.68 : x - Step 2: Convert to fraction form
104,805.36/157,207.68 = 42,475.68/x - Step 3: Cross multiply
104,805.36x = 157,207.68 × 42,475.68 - Step 4: Simplify right side
104,805.36x = 6,677,503,109.22 - Step 5: Solve for x
x = 6,677,503,109.22/104,805.36 - Step 6: Final answer
x = 63,713.37
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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.