Finding the Fourth Proportional to 69,996.50, 104,995.17 and 17,405.99
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Solution
The fourth proportional to 69,996.50, 104,995.17 and 17,405.99 is: 26,109.09
Step by Step Solution
- Step 1: Write the proportion equation
69,996.50 : 104,995.17 = 17,405.99 : x - Step 2: Convert to fraction form
69,996.50/104,995.17 = 17,405.99/x - Step 3: Cross multiply
69,996.50x = 104,995.17 × 17,405.99 - Step 4: Simplify right side
69,996.50x = 1,827,544,879.07 - Step 5: Solve for x
x = 1,827,544,879.07/69,996.50 - Step 6: Final answer
x = 26,109.09
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1.5x scale
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.