Finding the Fourth Proportional to 69,403.74, 104,105.61 and 34,308.06
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Solution
The fourth proportional to 69,403.74, 104,105.61 and 34,308.06 is: 51,462.09
Step by Step Solution
- Step 1: Write the proportion equation
69,403.74 : 104,105.61 = 34,308.06 : x - Step 2: Convert to fraction form
69,403.74/104,105.61 = 34,308.06/x - Step 3: Cross multiply
69,403.74x = 104,105.61 × 34,308.06 - Step 4: Simplify right side
69,403.74x = 3,571,661,514.22 - Step 5: Solve for x
x = 3,571,661,514.22/69,403.74 - Step 6: Final answer
x = 51,462.09
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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.